How would you expect the rate of speciation of an allopatric case to compare to the rate of speciation of a sympatric case involving formation of allopolyploid offspring?.

Answers

Answer 1

An allopatric case to compare to the rate of speciation of a sympatric case involving formation of allopolyploid offspring by the speciation differences.

Among the quickest prices in allopatric and sympatric species pairs, sympatric prices are approximately 2 to five instances quicker than allopatric prices. Even amongst those prices, variant is predicted due to the fact species pairs might also additionally range particularly evolutionary dynamics, populace sizes, and genetic variability. The allopatric case might arise at a miles slower charge than the sympatric case concerning allopolyploid offspring.

The number one distinction among the 2 forms of speciation is that allopatric speciation takes place in geographically separated populations even as sympatric speciation takes place in populations that might percentage a geographical place in the variety of the ancestral populace.

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Related Questions

based on the nature of the interaction between dna and histones, what is the most likely requirement for all dna-binding proteins?

Answers

In DNA-binding proteins, restriction enzymes predominate. The majority of proteins that bind to DNA would be very negatively charged.

DNA-binding proteins include nucleases, which cut DNA molecules, different polymerases, transcription factors, which control the process of transcription, and histones, which are involved in chromosome packing and transcription in the cell nucleus. Zinc finger, helix-turn-helix, leucine zipper, and other nucleic acid-binding domains can all be found in DNA-binding proteins, among many others. There are other more bizarre examples, including effectors that resemble transcription activators. In order to have a specific or general affinity for single- or double-stranded DNA, proteins with DNA-binding domains are known as DNA-binding proteins. Because the primary groove of B-DNA exposes more functional groups that identify a given sequence, sequence-specific DNA-binding proteins typically interact with chromosomes.

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degeneration of the distal portion of the neural process and the myelin sheath is called this type of degeneration quizlet

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Degeneration of the distal portion of the neural process and the myelin sheath is called this type of degeneration quizlet The deterioration of myelin sheath patches, which slows or prevents neuronal message transmission.

A condition known as multiple sclerosis causes degeneration the myelin sheath that surrounds the brain, spinal cord, and optic nerves to deteriorate, impairing nerve impulses and making it difficult to see, hear, speak, feel, or move different parts of the body.As the distal part of the axon and myelin sheath degrades, the proximal section shuts off and enlarges. Internal organelles are transported to the proximal neuron. The term "degeneration " refers to this process.Following Augustus Waller's original nerve transection research, Wallerian degeneration is traditionally described as the degeneration of axons distant to an injury (Waller 1850).When a nerve fibre is severed or crushed, a process called distal axonal degeneration (DAD) occurs when the portion of the axon that was detached from the neuron's cell body degenerates.

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what is similar about the mechanism of how alternative splicing is regulated in eukaryotes and transcriptional regulation in bacteria

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Alternative splicing can allow one gene to produce distinct mRNAs. This is the mechanism of how alternative splicing is regulated in eukaryotes and transcriptional regulation in bacteria.

For the synthesis of proteins, mRNA is a form of RNA required. A protein is produced by cells, and the mRNA is rapidly degraded afterward. The mRNA produced by vaccines does not penetrate the nucleus and does not change DNA. an RNA subtype present in cells. The genetic material necessary for producing proteins is carried by mRNA molecules. They move the data from the DNA in the cell's nucleus to the cytoplasm, where proteins are produced.

The cells of eukaryotes are nucleated creatures. Eukaryotes include all animal species, plants, fungi, and a wide variety of single-celled creatures. One of the three domains of life is known as the Eukarya, which is a class of organisms. The remaining two domains are bacterial and archaeal.

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in cremation, the supplies heat to raise the temperature of the cremation chamber to the point where combustion of the human remains and container is possible.

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In cremation, the burner supplies heat to raise the temperature of the cremation chamber.

Cremation is a thermal process that reduces human remains to bone fragments. In this process the only remains of the human body is skeleton. soft parts, skin and hair etc. everything will be burned. The temperature required is between 1400 to 1600 degrees F. There are four main elements of cremation;

TransportationStorage cremation process Return

Transportation means transfer of dead person to cremator

Cold storage of dead person before cremation.

The cremation or burning of dead person.

Return of cremated to authorized person.

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Hemophilia is an example of what type of disorder?

a. disorder caused by a dominant gene
b. disorder inherited only from the mother
c. X-linked recessive disorder
d. disorder with genes located on the y chromosome

Answers

Answer:

The answer is C!

hope this helps

Explanation:


If a drought causes a decrease in resources in an ecosystem, how are the
organisms living in the ecosystem affected?

Answers

If a drought causes a decrease in resources in an ecosystem, then the organisms living in the ecosystem will be affected due to the decrease in an abiotic factor that is fundamental for survival.

Why do abiotic factors fundamental for survival?

Abiotic factors such as water and normal levels of environmental temperature are fundamental for survival because they are required to carry out metabolic activities.

Therefore, with this data, we can see that abiotic factors can be considered as fundamental for survival due biological systems require them to carry out metabolic processes.

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explain the relationship between monomers and polymers: a. using polysaccharides as an example: b. using proteins as an example: c. using nucleic acids as an example:

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Building block of polymers is called Monomer. A polymer is serial repitition of monomer.

a) Carbohydrates are classified as polysaccharides and monosaccharides. Polysaccharides are polymers of monosaccharides(monomer). Example - Starch is a polymer of glucose(monomer). b) Protein is a polymer of amino acid (monomer). Example - polymers is polypeptide, monomers are amino acids. c) In case of nucleic acid for example- Nucleotides are monomers (adenine, guanine, thymine, cytosine, uracil) and polymers are DNA & RNA (Nucleic acid).

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in principle, at least, one way to increase the concentration of glucose 6‑phosphate (g6p) is to drive the equilibrium reaction to the right by increasing the intracellular concentrations of glucose and pi. the maximum solubility of glucose is less than 1 m, and the normal physiological concentration of g6p is 250????m. assume a fixed concentration of pi at 4.8 mm. the calculated value of K′eq is 4.74×10−3 m−1. calculate the intracellular concentration of glucose when the equilibrium concentration of glucose 6‑phosphate is 250????m, the normal physiological concentration.

Answers

Answers for both scenarios:  The concentration (Gle= 13.7 M) can't be soluble in the first scenario while during the second situation the concentration (Gle= 116 μM) is normal and physiologically reasonable.

For the first scenario:

The equilibrium reaction is:

3.8* 10⁻³ = [250*10⁻⁶]/[0.0048][Gle]

Gle = 13.7 M

This can't be soluble at the concentration.

For the second scenario:

c. ΔG⁰ = 13.8 + (-30.5) = -16.7 KJ/mol

-16,700 = -8.315 (298) In Keq

K = 845

845 = [[250*10⁻³] [1.32*10⁻⁶]/ [3.38*10⁻⁶] [Gle]

{Gle} = 1.16*10⁻⁴

= 116 μM

Yes, the concentration is normal and physiologically reasonable.

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Environmental sustainability is the responsible interaction with the environment to avoid depletion and degradation of natural resources so that future generations can benefit from long-term resource availability and environmental health capable of supporting life on Earth. One way we can all contribute to environmental sustainability is through smart growth. Smart growth covers a range of development and conservation strategies that help protect our health and natural environment.

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Some of the strategies utilized in smart growth communities include A) Preservation of open space, farmland, natural beauty, and critical environmental areas, B) Emphasis on mixed-use communities, where people can live, work, and live in retirement, C) Reinvestment in existing infrastructure and rehabilitating historic buildings helps conserve resources and E) Design of communities that make it easy for people to walk, bicycle, or take public transit instead of driving, reducing air pollution (Options A, B, C and E).

What are smart growth community strategies?

Smart growth community strategies are those procedures aimed at enhancing the development of a given area while maintaining natural resources and avoiding contamination.

The procedures (smart growth community strategies) can be very useful to enhance the quality of life of people in cities and simultaneously maintain the overall health of the ecosystems.

Therefore, with this data, we can see that smart growth community strategies are the new methods to produce suitable development in the community by minimizing environmental effects on the ecosystems.

Complete question:

Environmental sustainability is the responsible interaction with the environment to avoid depletion and degradation of natural resources so that future generations can benefit from long-term resource availability and environmental

health capable of supporting life on Earth. One way we can all contribute to environmental sustainability is through

smart growth. Smart growth covers a range of development and conservation strategies that help protect our health

and natural environment. Identify some of the strategies utilized in smart growth communities. Choose ALL that apply.

A) Preservation of open space, farmland, natural beauty, and critical

environmental areas.

B) Emphasis on mixed-use communities, where people can live, work, and

live in retirement.

C) Reinvestment in existing infrastructure and rehabilitating historic

buildings helps conserve resources.

D) Design communities that cater only to residential development, excluding

business and industrial spaces.

E) Design of communities that make it easy for people to walk, bicycle, or

take public transit instead of driving, reducing air pollution.

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which of the following are not found in the glomerular filtrate? a. urin acid b. protein c. glucose d. creatinine

Answers

Answer:

b. protein

Explanation:

the major model of vesicle fusion holds that actual fusion of a vesicle with its target membrane is driven by the interaction of pairs of proteins called vesicle and target ... select an answer and submit. for keyboard navigation, use the up/down arrow keys to select an answer. a snares. b rab proteins. c cops. d tethers.

Answers

According to the vesicle fusion model, the interaction between protein pairs known as vesicle and target SNAREs causes a vesicle to fuse with its target membrane.

SNAREs (soluble N-ethylmaleimide-sensitive factor attachment protein receptors) are small proteins that are membrane-crossing segments or chains of lipids that are bonded to the surface of the vesicle and the membrane, respectively. Together, the SNARE proteins form a compact bundle of alpha helices that draws the membranes together.

The fusion of a vesicle with a membrane can be powered by as few as two or three of the SNARE complexes.

Therefore, the correct option is option a.

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Mutant forms of RAF have also been found to play an important role in cancer. A dominant mutant called RAF-V600E (change of a valine to a glutamate at amino acid position 600) causes RAF to become hyperactive independent of signals from Ras. Drugs that inhibit RAF-V600E cause rapid shrinkage of tumors that express RAF-V600E. Interestingly, treatment of cancer cells with these drugs leads to an increase in Ras activity in the cancer cells.
Which of the following statements best explains this observation?
a. ERK normally phosphorylates the RTK and inhibits its signaling. Inhibition of RAF-V600E decreases ERK activity, which leads to increased RTK signaling.
b. ERK normally phosphorylates and inhibits RAF to restrict the duration of RTK signaling. Therefore, inhibition of ERK leads to increased Ras activity.
c.ERK normally phosphorylates the RTK and stimulates its signaling. Inhibition of RAF-V600E increases RTK signaling, which leads to increased Ras activity.
d. RAF normally phosphorylates the RTK and stimulates its signaling. Inhibition of RAF-V600E therefore increases RTK signaling and increases Ras activity.

Answers

a) ERK normally phosphorylates the RTK and inhibits its signaling. Inhibition of RAF-V600E decreases ERK activity, which leads to increased RTK signaling play an important role in cancer.

The traditional RAS-RAF-MEK-ERK signaling pathway is preserved in mammals, and the mitogen-activated protein kinase (MAPK) signaling pathway is crucial for cellular biological processes. ARAF, BRAF, and CRAF are three members of the RAF family that bind to RAS, which acts as the upstream activator, and mediate the MAPK signaling transduction to MEK. With the aid of extracellular signals, RAS.GDP (inactive) is converted to RAS.GTP (active), which then initiates a number of downstream cascades, including the RAF/MEK/ERK pathway, to transmit the signal. Thirty percent of human cancers, such as melanoma, breast cancer, ovarian cancer, colon cancer, thyroid cancer, prostate cancer, and others, are linked to the hyperactivation of ERK signaling brought on by mutations in the genes encoding receptor tyrosine kinases, RAS, BRAF, CRAF, MEK1, or MEK2. Furthermore, BRAF and its RAS activator mutations are thought to be the primary cause of this pathway's dysregulation, and RAS mutations are linked to 27% of all human malignancies. It goes without saying that the MAPK pathway is frequently dysregulated in many cancers that harbor RAS mutations, leading to the pathway's constitutive activation, unchecked proliferation, and decreased cellular sensitivity to substances that could initially induce apoptosis.

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A blood platelet drifts along with the flow of blood through an artery that is partially blocked. As the platelet moves from the wide region into the narrow region, the blood pressure:.

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A blood platelet drifts along with the flow of blood through an artery that is partially blocked. As the platelet moves from the wide region into the narrow region, the blood pressure: reduces

A blood platelet floats with the blood as it passes through a partially clogged artery. The pressure on platelet reduces as the platelet advances from the large zone to the narrow partially obstructed region.Thermal pressure is the term used in thermodynamics to describe the change in relative pressure that a fluid or solid experiences in response to a change in temperature at a constant volume. It has to deal with the Pressure-Temperature Law, often known as Gay Lusac's Law or Amontons' Law. When heated to a steady pressure, a gas expands, which causes it to cool through expansion. The requirement to add more thermal energy leads to the formula for specific heat at constant pressure: CP = CV + R per mole.

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under anaerobic conditions in the muscle what is the net yield of atp from glycolysis when glycogen is used as a starting material

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The net yield of ATP from glycolysis under anaerobic conditions in muscle when glycogen is used as a starting material is 2ATP.

Under anaerobic conditions, two molecules of ATP are generated from the oxidation of glucose to lactate via anaerobic glycolysis. Hexose sugar, or a monosaccharide containing six carbon atoms and six oxygen atoms, is what glucose is. The first carbon has an aldehyde group attached to it, and the other five carbons each have a hydroxyl group. During glycolysis, glucose is ultimately broken down into pyruvate and energy; A total of 2 ATP are produced in the process. Once pyruvate is formed, pyruvate will have different fates in different organisms depending on the availability of oxygen. In animals, where there is an adequate oxygen supply, pyruvate enters the mitochondria and is completely oxidized to carbon dioxide. In the absence of oxygen, it enters anaerobic respiration where it is converted to lactate. Under anaerobic conditions, NADH is not converted to ATP; Therefore, the net production of ATP is only 2 ATP.

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URGENT!!!!! What are the tructural, behavioral, and phyiological adaptation of the chicken of the wood muhroom?

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The structural, behavioral, and physiological adaptation of the chicken of the wood mushroom is as follows:

Behavioral Changes

The Psilocybin cubensis is underside contains gills that can swivel such that they are always perfectly aligned to gravity. this implies that the gills will continue to successfully release spores even if the mushroom moves or bends.

Structural changes

The underside of the Psilocybe cubensis is gilded. As a result, the mushroom's surface area grows, enabling it to generate millions of basidiospores (spores) at once.

Physiological Changes

Exoenzymes can be secreted by Psilocybin cubensis, and these enzymes can then break down organic matter. Following digestion, the Psilocybe cubensis consumes the substance and puts it to use as needed. They can eat a wider range of materials as a result, which makes it easier for them to discover more edible material.

Hence, Fungi possess a unique adaptability. Exoenzymes, which are responsible for digesting organic molecules outside of the plant body, are secreted as a result of adaptation.

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if adenine makes up 40% of the bases in dna, then what percentage of the bases in dna does cytosine make up?

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If adenine makes up 40% of the bases in DNA, then 10% of the bases in DNA does cytosine make up.

If 40% of Adenine (A) is present, it would be reasonable to assume that 40% of Thymine (T) will be present, as the ratio between the two complementary nitrogenous bases will be roughly equal.

Therefore, that leaves us with 20% between Cytosine (C) and Guanine (G). Since the ratio between them would be equal, it gives us 10% of Cytosine (C) and 10% of Guanine (G).

Therefore:

40% of A + 40% of T + 10% of C + 10% of G = 100% DNA

So, Cytosine makes up 10% of the bases in DNA.

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animals and plants both have diploid and haploid cells. how does the animal life cycle differ from the alternation of generations exhibited by plants?

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A diploid-dominant life cycle is characteristic of animals like humans. Haploid and diploid multicellular stages can both be found in the alternation of generations life cycle.

Despite the possibility that the diploid stage could preserve the entirety of the haploid stage. The generations of a plant's life cycle alternate. Animals go through four stages in their life cycle: birth, development, reproduction, and finally, death. Although these stages are shared by all animal species, they appear in varied ways depending on the species. In the diplontic life cycle, the diploid sporophyte is the most important stage. Gametic meiosis can be seen. Brown algae, gymnosperms, angiosperms, and other organisms with a diplontic life cycle are examples.

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Which of the following is a derived trait of Sahelanthropus tchandensis which identifies it as a hominin? big toe opposability larger body size shape of the hand bones perihoning chewing complex

Answers

Nonhoning chewing complex is a derived trait of Sahelanthropus tchandensis which identifies it as a hominin.

What is a Nonhoning complex?

This edge is kept sharp because the upper canine rubs against, or hones, the sharp edge of the lower third premolar every time the jaws close. This is due to the diastema present on the jaws, which allows the jaws to close completely.

Do humans have non-honing chewing?

All hominins have a non-honing chewing complex for smashing food. Where the chewing muscles connect to the top of the skull.

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Full Question :Which of the following is a derived hominin trait first seen in Sahelanthropus tchandensis?

A. Length of the calcaneus

B. Nonhoning chewing complex

C. Larger body size

D. Big toe opposability

a researcher has just discovered what she thinks is a new species. initially, all she knows is that it is eukaryotic. to which of the kingdoms could this new organism possibly belong?

Answers

Archaea are prokaryotes that live in severe settings, such as inside volcanoes, whereas Bacteria, such as E. coli, are more common creatures.

What is the primary distinction between prokaryotic and eukaryotic cells?

Prokaryotes are always unicellular, but eukaryotes are sometimes multicellular. Furthermore, eukaryotic cells are 100 to 10,000 times bigger and considerably more complicated than bacterial ones. Eukaryotic DNA is kept in the nucleus, whereas prokaryotic DNA is stored in the cytoplasm.

A cell wall is a protective structure that permits prokaryotes to live in both hyper- and hypo-osmotic environments. Some soil bacteria may produce endospores that are resistant to heat and drought, allowing the organism to persist until favourable conditions return.

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he cell-cell junctional structure that regulates the intercellular fluid transport between cells is:

Answers

Gap junctions in animal cells function similarly to plasmodesmata in plant cells in that they are channels between nearby cells that facilitate the passage of ions, water, and other substances. However, gap junctions and plasmodesmata are structurally distinct.

Cell junctions are required for communication with the cell's outside area. Cell junctions are classified into numerous types, including tight junctions, gap junctions, and desmosomes.

A tight junction is the junction that prevents fluid leakage between epithelial cells. Claudins and occludins are two proteins discovered that aid in the tightening of the cell-cell border.

These connections are present in epithelial cells in the skin and cavities. This sort of junction also governs water transport in epithelial cells. It serves as a physical barrier and aids in the regulation of cell polarity.

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what is the function of myoglobin in muscle cells? group of answer choices stores atp breaks down glucose stores oxygen stores glucose

Answers

Myoglobin is a protein that stores oxygen in muscle cells. Thus the correct answer is option (C).

Your striated muscles, which include your cardiac muscles and skeletal muscles (the muscles linked to your bones and tendons), contain the protein known as myoglobin. Its primary job is to give your muscles' cells oxygen (myocytes).

Your body's cells require oxygen to function. They transform the stored energy using oxygen. Due to their regular use, your cardiac muscles and skeletal muscles need a lot of oxygen and energy.

Myoglobin is mostly located in your striated muscles (the kinds of muscles you consciously move, such as your arm and leg muscles). Myoglobin only moves into your blood when your muscles are damaged.

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on 1 in this exercise, the kirby-bauer diffusion test was used to test the sensitivity of s. epidermidis to penicillin, novobiocin, and gentamicin. what results would you predict if the sensitivity of e. coli was tested. explain your answer.

Answers

In the Kirby-Bauer test, bacteria are plated on solid growth medium and antibiotic wafers (white disks, pictured) are added to the plate.

After allowing the bacteria to grow overnight, areas of clear medium surrounding the discs indicate that the antibiotic inhibits bacterial growth. If the observed inhibition zone is greater than or equal to the size of the standard zone, the microorganism is considered to be sensitive to the antibiotic. On the contrary, if the observed inhibition halo is smaller than the standard size, the microorganism is considered to be sensitive. it is resistant. Advantage. This test is used to determine the antibiotic of choice to treat an infection. It can be useful for monitoring antimicrobials and for the selection of suitable antibacterial agents. It does not require special equipment for its performance and can be interpreted by all medical personnel. The test is done by taking a sample from the infected site. The most common types of tests are listed below. A health professional will take a blood sample from a vein in his arm with a small needle. After the needle is inserted, a small amount of blood will be collected in a test tube or vial.

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The results of mitosis allow growth and ______ of worn out or damaged cells.
A. fixing
B. destruction
C. development
D. replacement

Answers

The answer is D. Replacement
The answer will be D. Replacement

Alleles for which pair of genes are most likely to act as though they are being inherited independently?.

Answers

Because homologous chromosomes  pairs during meiosis are oriented at random, genes on different chromosomes assort separately.

Which genes are most likely to pass down in pairs?

The likelihood of two genes inheriting together increased depending on how close they were to one another on a chromosome. . Conversely, genes that were more apart on the same chromosome were more likely to split apart during recombination.

Which gene pair is more likely to independently assort?

circumstance makes it most likely for allele pairs to assort independently of one another In general, there are many more independent allele pairs in an organism than there are chromosome pairs.

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a population of individuals about whom an epidemiologist wants to make inferences best describes a: question 1 options:

Answers

A population of individuals about whom an epidemiologist wants to make inferences best describes option B: Source population.

In an epidemiological setting, the group about which you would like to draw inferences from what you observe in your sample should be considered the source population. People who can interbreed, have children, and have similar personalities are referred to as the population. An ecosystem contains many different types of species, and each collection of organisms creates a population there.

Epidemiology is the study of the frequency and causes of disease occurrence in various populations. Planning and assessing illness prevention strategies as well as serving as a manual for the treatment of patients in whom disease has already manifested use epidemiological data.

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Comlete question is:

A population of individuals about whom an epidemiologist wants to make inferences best describes:

Target population

Source population

Study population

Affected population

helpppppppppp meeeeeeeeee
helpppppppppppop meeeeeeeeee
pleaseeeeeeeeeeeee
helpppppppp meeee
asappppppp asapppppp

Answers

Answer:

1. C

2. D

3. C

Explanation:

Transcription of the structural genes in an inducible operon
A) occurs continuously in the cell.
B) starts when the pathway's substrate is present.
C) starts when the pathway's product is present.
D) stops when the pathway's product is present.
E) does not result in the production of enzymes.

Answers

Transcription of the structural genes in an inducible operon starts when the pathways substrate is present is . B

What is structural gene ?

Structural genes are the genes that code for proteins and RNAs except regulatory factors. They create physical structures inside cells like the cytoskeleton which gives our cells shape and support. Structural genes are divided into different type such as:

Cell receptor genes Environment genes  Behavioural genes

Therefore Induction is common in metabolic pathways that result in the catabolism of a substance and the inducer is normally the substrate for the pathway.

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production of offspring by parthenogenesis or cloning bypasses the typical meiotic process. describe either parthenogenesis or cloning and compare the genomes of the offspring with those of the parents.

Answers

Cloning is the technique of creating a cell or creature that is genetically identical to the original.

It is a hotly debated subject that affects both researchers and the general public. The regular meiotic process is avoided throughout the cloning process. The polymerase chain reaction is a method for replicating sections of parental DNA (PCR). The embryo created from this DNA can subsequently be implanted into a uterus to develop and flourish. Since the purpose of cloning is to create an identical replica rather than one with genetic variation, meiosis does not take place in this situation.

A female gamete (rarely a male) develops without fertilization as part of the parthenogenic reproductive strategy. It can occur in plants, mammals, and higher vertebrates but not in invertebrates.

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chromosomal rearrangement mechanisms which mechanism of generating chromosomal rearrangements involves nonhomologous end-joining (nhej)? multiple choice legitimate crossing-over transposition dna breakage illegitimate crossing-over

Answers

Answer:Induction of chromosomal translocations with CRISPR-Cas9 and other nucleases: Understanding the repair mechanisms that give rise to translocations

Explanation: vote brainiest

which cell engulfs a microbe, digests its proteins, and presents peptide antigens in combination with mhc ii molecules?

Answers

Macrophages and dendritic cells engulfs a microbe, digests its proteins, and presents peptide antigens in combination with MHC ii molecules

What are macrophages?

Important immune system cells called macrophages are created in response to an infection or an accumulation of damaged or dead cells.Large, specialized cells called macrophages can identify, engulf, and kill target cells. The Greek words "makro" for large and "phagein" for "eat" are combined to form the word "macrophage."

Function:

Macrophages may have different names according to where they function in the body. For example, macrophages present in the brain are termed microglia and in the liver sinusoids, they are called Kupffer cells.

What are dendritic cells?

Antigen-presenting cells (APCs) known as dendritic cells (DCs) have a crucial function in the adaptive immune system. Since antigen presentation is DCs' main job, the cells are sometimes referred to as "professional" APCs. Because they grow branched extensions called "dendrites" to increase their surface area and improve exposure to antigens throughout development, dendritic cells get their name.

Hence, macrophages and dendritic cells perform these functions

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Other Questions
what is the social constructionist view of crime as it relates to the recreation of marijuana in new york with a theory of individual-level criminality. n a study of the decay theory of memory, three different groups of subjects memorized a list of nonsense syllables and were then tested for their memory of those syllables at different delays. group 1was tested for memory after a delay of one hour. group 2 was tested after a delay of two hours. group 3 was tested after three hours. which statistical test should be used to test whether length of delay affects memory? IHI Insurance have conducted a multiple linear regression analysis to predict the value of the number of annual claims incurred by a motor insurance policyholder (y)based on the age of the policyholder in years (x1) and the value of the car insured in thousands of dollars (x2). The analysis was based on a random sample of 500 policyholders. The ages in the sample ranged from 16 to 70 and the values of the cars in the sample ranged from $1,100 to $52,000. The multiple linear regression equation corresponding to IHI's analysis is: y^i = 13 + (-0.5)x1i + (0.1)x2i.Select whether the following statements regarding the multiple linear regression equation are true or false:TrueFalsea)Holding x2 constant, a one year increase in x1 will result in a decrease of 0.5 in the predicted value of Y.b)A 28 year old policyholder with a car worth $20,000 is predicted to make 29 claims.c)Holding x1 constant, a one thousand dollar increase in x2 will result in an increase of 0.1 in the predicted value of Y. the ability of the president to make agreements with foreign nations come from which function of the presidency? which health care professional would the nurse refer the client who survived a large-scale disaster event, reports a feeling of numbness for 1 month, and has notes a high score of all subscales of the impact of event scale-revised (ies-r) for further evaluation? if more than one class of shares is authorized, what type of information must be specified? (select all that apply) You are organizing party invitations. The stamps come in packs of 20. The invitationscome in packs of 15. What is the least number of stamps and invitations you can buy soyou have an even number of stamps and invitations? think of two examples where a limiting factor has been eliminated in everyday life. how has this processed improved life? g at an auction for the first time, dulcinea bids on a one-hundred-year-old edison-brand phonograph, believing that it is worth more than the price asked. when the item proves to be less valuable, dulcinea is scientists use a machine called a(n) to study earthquakes.scientists use a machine called a(n) to study earthquakes. as the nurse is explaining the difference between true versus false labor to her childbirth class, she states that the major difference between them is Are the ratios 10:5 and 20:10 equivalent? yes or no the major product of the given reaction has the molecular formula c10h16o3. draw its structure in the most stable tautomeric form. the starting material is a 7 carbon chain where carbon 1 is double bonded to oxygen and single bonded to o c h 2 c h 3. carbon 2 has a methyl substituent. carbon 7 is double bonded to oxygen and single bonded to o c h 2 c h 3. this reacts with n a o c h 2 c h 3, followed by an acidic aqueous workup. Use the bond energies in the table to estimate the enthalpy of reaction for the formation of sulfur tetrafluoride monoxide. To drill or not to drill? That is the big question as Americans face climbing gas prices. Mobil Oil is considering drilling for oil off the coast of California and concerned citizens have protested their attempts to set up drilling sites off-shore. As a result of the controversy, a group of research scientists have been employed by the State of California to study the possible impacts of oil drilling on near-by ecosystems and investigate the likelihood of future oil spills.The most appropriate method to study the potential impacts of oil drilling on coastal California would be which of these options?ResponsesA research other areas where unsuccessful oil drilling has occurredresearch other areas where unsuccessful oil drilling has occurredB check historical data in drilling areas to see the likelihood of an oil spillcheck historical data in drilling areas to see the likelihood of an oil spillC design a computer simulation of an oil spill in the area to determine the environmental impactdesign a computer simulation of an oil spill in the area to determine the environmental impactD perform a mark and recapture population study on the wildlife in the area prior to drilling What would be the final speed of a 40g car released from an initial height of 25cm?What would be the final speed of a 600g car released from an initial height of 115cm? Scenario Firms Type of Product Market Model in a major metropolitan area, there are many coffee shops, but one chain has gained a large market share because customers feel its coffee tastes better than its competitors' Dozens of companies produce plain white socks. Consumers regard plain white socks as identical and don't care about who sells them their socks. The technology for producing socks is widely known, and any reputable person who wanted to start a sock manufacturing business could obtain a loan from a bank to buy the necessary machinery In a small town, there are four providers of broadband Internet access: a cable company, the phone company, and two satellite companies. The Internet access offered by all four providers is of the same speed. Almost everyone in the city already has broadband, so any potential new company would have to engage in a price war with the existing companies and would be unlikely to cover its costs for years, If ever The government has granted a patent to a drug company for an experimental AIDS drug. That company is the only firm permitted to sell the drug Scenario Firms In a major metropolitan area, there are many coffee shops, but one chain has gained a large market share because customers feel its coffee tastes better than its competitors'. Many Dozens of companies produce plain white socks. Consumers regard plain white socks as identical and don't care about who sells them their socks. The technology for producing socks is widely known, and any reputable person who wanted to start a sock manufacturing business could obtain a loan from a bank to buy the necessary machinery Few One In a small town, there are four providers of broadband Internet access: a cable company, the phone company, and two satellite companies. The Internet access offered by all four providers is of the same speed. Almost everyone in the city already has broadband, so any potential new company would have to engage in a price war with the existing companies and would be unlikely to cover its costs for years, if ever. The government has granted a patent to a drug company for an experimental AIDS drug. That company is the only firm permitted to sell the drug. tajor metropolitan area, there are many coffee shops, but one chain has gained a large market share because customers feel Its coffee tastes better than its competitors'. - Identical Dozens of companies produce plain white socks. Consumers regard plain white socks as identical and don't care about who sells them their socks. The technology for producing socks is widely known, and any reputable person who wanted to start a sock manufacturing business could obtain a loan from a bank to buy the necessary machinery Unique Differentiated In a small town, there are four providers of broadband Internet access: a cable company, the phone company, and two satellite companies. The Internet access offered by all four providers is of the same speed. Almost everyone in the city already has broadband, so any potential new company would have to engage in a price war with the existing companies and would be unlikely to cover its costs for years, if ever. The government has granted a patent to a drug company for an experimental AIDS drug. That company is the only firm permitted to sell the drug Scenario Firms Type of Product Market Model In a major metropolitan area, there are many coffee shops, but one chain has gained a large market share because customers feel its coffee tastes better than its competitors' Dozens of companies produce plain white socks. Consumers regard plain white socks as identical and don't care about who sells them their socks. The technology for producing socks is widely known, and any reputable person who wanted to start a sock manufacturing business could obtain a loan from a bank to buy the necessary machinery Perfect Competition In a small town, there are four providers of broadband Internet access: a cable company, the phone company, and two satellite companies. The Internet access offered by all four providers is of the same speed. Almost everyone in the city already has broadband, so any potential new company would have to engage In a price war with the existing companies and would be unlikely to cover its costs for years, if ever. Oligopoly Monopolistic Competition Monopoly The government has granted a patent to a drug company for an experimental AIDS drug. That company is the only firm permitted to sell the drug certain stars, like betelgeuse, have a lower surface temperature than the sun and yet are more luminous. how do these stars produce so much more energy than the sun? a company is planning a campaign and their goals for the campaign are for it to be inexpensive and provide them with direct interaction their audience. which type of media should be used to accomplish their goals? A suit is on sale for $475, which is 76% of the regular price.What is the regular price?