20 points

Which of the following are a characteristic of asexual reproduction? Select all that apply.

A. Requires 1 parent organism

B. Organism makes a copy of itself and divides

C. Requires a lot of time and effort

D. Produces offspring genetically identical to the parents

E. Produces genetically different offspring

F. Can include reproduction such as binary fission, buddy and regeneration

Two third chromosomes are there in a maize (corn) embryo cell nucleus as compared to a maize (corn) endosperm cell nucleus.

Maize and sorghum (Sorghum bicolor) both have 20 chromosomes (2n = 20). Maize endosperm is a large storage organ that accounts for 80-90% of the mature kernel dry weight. The mature maize kernel is the result of a coordinated developmental process that includes both the embryo and the endosperm. Endosperm development is prioritized in relation to overall kernel maturation. The endosperm is a triploid tissue made up of two sets of maternal chromosomes and one set of paternal chromosomes.

Over the course of 50-60 days, the maize grain grows from a fertilized ovule to a mature kernel. The developing kernel contains maternal tissues, such as the pericarp and nucellus, as well as tissues produced by double fertilization, such as the diploid embryo and triploid endosperm.

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The type of interspecific interaction that exists between coyotes and turkeys is predation. the other types of interspecific interactions that exist in nature are parasitism, commensalism, competition, and mutualism.

Interspecific interactions, from the Latin inter- meaning "between," refer to interactions within a community of species. Competition, predation, mutualism, commensalism, and parasitism are the main interspecific interaction types. Predation occurs when a member of one species, the predator (coyotes here), consumes all or a portion of the body of a member of a different species, the prey (turkeys). Thus, the type of interspecific interaction that exists between coyotes and turkeys is predation.

Two kinds of organisms compete with one another and harm one another when they consume the same scarce resource. a close relationship that lasts a long time and between two species, with mutual benefit. Commensalism is a long-term, close relationship between two species in which one benefits while the other is unaffected. Pariatism is a close, long-term relationship where one species gains while the other suffers.

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Large membrane-spanning proteins called ion channels allow for the selective movement of ions. Ions like potassium, calcium, and sodium may experience this.

These channels are in charge of the electrical conduction in neurological systems that enables the appropriate operation of nerve and muscle cells.

Drinking too much water might cause your body to lose potassium when your kidneys release sodium in your urine. Therefore, consuming too much salt may cause your healthy potassium levels to drop.

The ions move along the pore when they are being transported from one location to another. After passing through this filter, the potassium ions are once more encased in water molecules. In contrast, because sodium ions are a little bit smaller than oxygen, they do not interact with it.

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Juxtaglomerular apparatus is another name for the juxtaglomerular complex.

Because it is adjacent to (juxta) the glomerulus, the juxtaglomerular apparatus is so named.

It is composed of cells from the ascending limb of the loop of Henle's distal limb and an afferent arteriole that is placed close to the glomerulus.

It affects both the autoregulation of blood pressure (via the release of the hormone renin).

Renin is secreted by the juxtaglomerular apparatus. Renin responds to changes in blood flow. When blood pressure drops, renin-secreting cells are activated, which aids in maintaining a steady flow of blood through the nephron.

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Traits that may not have a strong genetic influence on the concordance of MZ and DZ twins given as proportions are 59% in MZ and 62% in DZ.

Generally, from a genetic point of view, MZ, which means monozygotic twins, has a genetic concordance that is stronger than DZ or dizygotic twins. Monozygotic twins are produced by a single zygote and thus share more genes than dizygotic twins which share relatively few genes.

So, the genetic concordance is generally very strong between two monozygotic, so the proportion must be more in them.

In this question first of all the four traits have more proportion of genetic concordance in monozygotic, but in the last trait genetic concordance shows more in dizygotic twins, this is a phenomenon that is impossible to ask in this question, so the answer is 59 % in monozygotic and 62% in dizygotic.

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If the population of town A is less than the population of town B. However, if the population of town A is growing faster than the population of town B then we can write a C++ program to explain it.

#include<iostream>

using namespace std;

void main()

{int townA_pop,townB_pop,count_years=1;

double rateA,rateB;

cout<<"please enter the population of town A"<<endl;

cin>>townA_pop;

cout<<"please enter the population of town B"<<endl;

cin>>townB_pop;

cout<<"please enter the grothw rate of town A"<<endl;

cin>>rateA;

cout<<"please enter the grothw rate of town B"<<endl;

cin>>rateB;

while(townA_pop < townB_pop)//IF town A pop is equal or greater than town B it will break

{townA_pop = townA_pop +( townA_pop * (rateA /100) );

townB_pop = townB_pop +( townB_pop * (rateB /100) );

count_years++;

}

cout<<"after "<<count_years<<" of years the pop of town A will be graeter than or equal To the pop of town B"<<endl;

}

The complete question is:

The population of town A is less than the population of town B. However, the population of town A is growing faster than the population of town B. Write a program that prompts the user to enter: The population of town A The population of town B The growth rate of town A The growth rate of town B The program outputs: After how many years the population of town A will be greater than or equal to the population of town B The populations of both the towns at that time. (A sample input is: Population of town A = 5,000, the growth rate of town A = 4%, the population of town B = 8,000, and growth rate of town B = 2%.)

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We don’t find examples in the fossil record of every animal that ever lived on earth due to the following reasons

a fossilized animal must have been buried for tens of thousands or millions of years before it (and the layer around it) solidified into rock.

What are fossils?

Any preserved traces of a once-living thing from a previous geological epoch are referred to as fossils.

Many fossils are still hidden. They are only accessible when they are exposed due to excavation. Before it has a chance to decay, an animal must be promptly and thoroughly buried in ash or sediment in order to become a fossil.

Therefore examples in the fossil record of every animal that ever lived on earth cannot be found.

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When the double bond between carbon atoms in a molecule is broken, the alkene halogenation reaction, specifically bromination or chlorination, takes place. The halides from the opposing sides of the molecule add to nearby carbons.

A halogen atom is replaced with another substance in a process known as halogenation, where the halogen atom eventually becomes a component of the new substance or compound. In general, one or more halogens are typically added to the chemical during the halogenation reaction. The process of replacing any number of hydrogen atoms with the aforementioned group of elements is known as halogenation. The result of halogenation will have different and new properties from the original substance. Halogens are a class of elements that includes substances like iodine, chlorine, fluorine, and bromine. These components typically behave similarly, which is why they belong to the same group.

The complete question is;

A synthesis of the antibiotic natural product y-indomycinone involved the halogenation reaction shown below. The major product of the reaction is a mono brominated compound, and a significant amount of a minor, dibrominated compound is also formed. Modify the given structure to draw the major product a mono brominated compound. Lone pairs not required.

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Cell division occurs for three reasons: reproduction, growth, repair, and renewal. Reproduction —asexual reproduction—one-celled organisms reproduce through mitosis Cell division promotes growth by transforming a fertilised egg into a multicellular organism.

Repair and regeneration — replaces cells that die as a result of normal wear and tear or injury. As we all know, reproduction is necessary for the continuation of life. Cell division is required to generate genetic diversity. Cell division is an important process by which a unicellular organism develops into a new organism in unicellular organisms. Growth factors include cell coordination and protein signals released by body cells that stimulate other cells to divide. Positional Inhibition—In order to divide, animal cells must be anchored (attached to a substrate) and cannot be overcrowded ("Density Dependant Inhibition") - Cells that are overcrowded stop dividing. Each cell binds a small amount of growth factor, resulting in insufficient activator to cause division in any single cell.

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The step with the highest energy transition state is the slowest step in a reaction that has more than one step. This process is known as the rate-determining step of the reaction because it has the greatest impact on the overall reaction.

What is the slowest step in a reaction mechanism?

The reaction mechanism's slowest step is the rate-determining one. By limiting the overall rate, the rate-determining step establishes the rate law for the overall reaction.

Why is the slowest step used to determine the rate?

This is because it takes longer for the slowest phase to finish since there may be several other processes involved. For instance, before another reaction can take place and a product is immediately produced, a reactant may need to diffuse or migrate to a particular reaction site.

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Their gametes must swim in order to interact and for fertilization to occur is the correct statement that explains why these species are still restricted to growing in moist environments.

A gamete is a plant or animal's reproductive cell. Male gametes in animals are known as sperm, and female gametes are known as ova or egg cells. Sperm and ova are haploid cells, meaning that each cell only has one copy of each chromosome. A new diploid organism is created during fertilisation when a sperm and an ovum combine. The reproductive cells of an organism are called gametes.

A new individual organism or offspring is created via the fusion of gametes, commonly referred to as fertilisation, generative fertilisation, syngamy, and impregnation, and its subsequent development. In this area of the tube, the sperm and egg mate to produce pregnancy. After fertilisation, the fertilised egg starts a quick ascent to the uterus.

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The cellular function that would be shared among carbohydrates and lipids is a) energy storage.

Carbohydrates and lipids both are made from long chains of monomers and hence have a huge amount of energy stored in between the bonds of the monomers that make them.

Both carbohydrates and lipids are used for energy storage inside the body. When the monomer chains that make carbohydrates and lipids are broken, energy in the form of ATP is released that is used by the cell for performing the basic functions of the cell.

Hence, although carbohydrates and lipids are different macromolecules, they both have one similar cellular function that is energy storage.

Although a part of your question is missing, you might be referring to this question:

Students are comparing the functions of carbohydrates and lipids. Which cellular function would be shared between carbohydrates and lipids?

a) energy storage

b) protein formation

c) energy consumption

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The blood within the glomerulus produces glomerular hydrostatic pressure, which forces fluid out of the glomerulus and into the glomerular capsule. The fluid in the glomerular capsule generates pressure, which pushes fluid out of the glomerular capsule and back into the glomerulus, thus opposing the glomerular hydrostatic pressure. 

The glomerular filtration rate is the volume of filtrate produced by both kidneys per minute. The hydrostatic pressure and colloid osmotic pressure on either side of the glomerular capillary membrane influence GFR. Remember that filtration occurs when pressure forces fluid and solutes through a semipermeable barrier, with particle size limiting solute movement.

The pressure produced by a fluid against a surface is known as hydrostatic pressure. When a fluid is present on both sides of a barrier, it exerts pressure in opposite directions.The direction of net fluid movement will be in the direction of the lower pressure.

The movement of a solvent (water) across a membrane that is impermeable to a solute in the solution is referred to as osmosis. This produces osmotic pressure, which exists until the solute concentration on both sides of a semipermeable membrane is the same.

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Three main theories have been put up to explain the genesis of primates and the characteristics that set our own order apart from other mammalian groups.

The Arboreal and Visual Predation Theories are two hypotheses for how various ape traits, like grasping or prehensile hands, forward-facing eyes, and depth perception, evolved.

The visual predation idea offers a potential justification for how primates first evolved. According to this view, primates originated from small mammals that lived in bushes on the forest floor. These tiny mammals consumed insects found on the forest floor.

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The answer is True. In the process of cellular respiration, glucose is ultimately used in transforming the energy into the form of ATP.

All organisms use the process called cellular respiration to convert glucose into energy. During photosynthesis, autotrophs (like plants) create glucose and store in it. On the other hand heterotrophs eat other living things to obtain glucose as a source of food. The critical process in breaking down the glucose component to release energy for cellular catabolism and anabolism is known glycolysis. Glycolysis is a process that almost all living things engage in as part of their metabolism. Anaerobic means that there is no oxygen present during the procedure (processes that use oxygen are called aerobic). Eukaryotic and prokaryotic cells both undergo glycolysis in the cytoplasm. Two pathways allow glucose to enter heterotrophic cells.

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Answer:

Explanation:

0%

Emphysema is a lung condition that develops when the alveolar walls in your lungs are harmed. It is possible for an obstruction (blockage) to form, trapping air in your lungs.

Emphysema is a gradual degenerative disease that affects the suppleness of the alveolar walls, which affects the lungs' capacity to exhale air.

A serous membrane called a pleura folds back on itself to create a two-layered membranous pleural sac. The parietal pleura, the outer layer's name, connects to the chest wall. The visceral pleura, or inner layer, is what protects the lungs, blood vessels, nerves.

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An artificial version of the human hormone parathyroid hormone, which is found in teriparatide injection (PTH). It functions by encouraging the body to produce new bone while boosting bone strength and density.

Teriparatide was superior to bisphosphonates in avoiding fracture in postmenopausal women with osteoporosis in both the short- and long-term follow-up periods, according to the findings of our meta-analysis. Teriparatide prevented both vertebral & non-vertebral fractures better than bisphosphonates. PTH increases the production of pro-osteoclastogenic cytokines such receptor activator of nuclear factor kappa ligand (RANKL) and macrophage colonists factor in osteoblasts and osteocytes to exercise its catabolic effects. Osteoporosis for postmenopausal women hormone who are high risk of bone fracture is treated with teriparatide injection. It lessens the chance that postmenopausal women with osteoporosis may have a bone or spine fracture.

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The amount and distribution of yolk protein in the cytoplasm, as well as elements in the egg cytoplasm that affect the angle of the mitotic spindle and the timing of its development, are two main factors that affect the pattern of embryonic cleavage pattern to a species.

By impeding the cytoplasmic motions necessary for mitosis, the yolk's ability to impact cleavage pattern as the egg's yolk content does. When there is minimal yolk (oligolecithal eggs), the yolk granules disseminate throughout the resultant blastomeres by moving with the cytoplasm.When there is a moderate to scarce amount of yolk in an egg, the holoblastic form of cleavage is frequently observed. Animals including frogs, mammals, echinoderms, annelids, flatworms, nematodes, and others have eggs that divide holoblastically.

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Thymine is created during the deamination of 5meC, but uracil glycosylase is unable to identify it, which can lead to C→T mutations.

Gene silence occurs as a result of the methylation of the Cytosines 5′ to Guanosines (CpG) islands in the tumor suppressor gene promoter region. On the other hand, hypomethylation in a tumor's oncogene promoter region reactivates transcription.

Deamination of cytosine residues

In error-free repair, spontaneous deamination changes cytosine to uracil, which is removed from DNA by the enzyme uracil-DNA glycosylase. 5-Methylcytosine residues deaminate to thymine, which this mechanism is unable to remove and repair. As evidenced by the lacI gene of Escherichia coli, 5-methylcytosine residues are hotspots for spontaneous changes. Here, we demonstrate that the rate of spontaneous transition at cytosine residues is increased to the hotspot rate at 5-methylcytosine residues in bacteria that lack uracil-DNA glycosylase (Ung-) and cannot remove uracil residues from DNA. These investigations offer concrete proof that cytosine deamination is a key contributor to spontaneous mutations.

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Typically, fungi and algae coexist in a mutualistic relationship called lichen. The fungi provide a sheltered place for the algae, and the algae provide food for the fungi through the photosynthesis process.

There are many different types of relationships in nature, one of which is mutualism, in which two individuals help each other and are helped. Both fungi and algae coexist in lichen; the alga is photosynthetic and can prepare food for the fungi, while the fungi provide shelter for the alga. In this way, they both coexist and get benefits from one another.

Hence, fungi and algae coexist in a mutualistic relationship called lichen. The fungi provides a sheltered place for the algae, and the algae provide food for the fungi through the photosynthesis process.

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Answer:OC. It grows faster than regular fish.

Explanation: These fish are being engineered for traits that allegedly will make them better suited for industrial aquaculture, such as faster growth, disease resistance, larger muscles, and temperature tolerance.

Answer:

The bacteria ate all of the available food.

Explanation:

(B) is the most reasonable answer. At the start, it mentions that it's at the preferred temperature for the bacteria which rules out (C). It mentioned that the bacteria was growing which rules out (D) for saying it couldn't grow at all and I don't think (A) makes much sense. For even more backup for (B), it mentioned that the food was limited.

D. Glycolysis begins glucose metabolism, and in the absence of oxygen, lactic acid fermentation takes over. best describes the metabolic pathways their muscles will utilize to produce the quick energy needed for intense exercise.

The process by which glucose is broken down into energy is called glycolysis. NADH, water, two pyruvate molecules, and ATP are all produced. Oxygen is not required for this process, which takes place in the cytoplasm of a cell. Both aerobic and anaerobic organisms can perform glycolysis.

In all organisms, glycolysis is the first step in cellular respiration. Glycolysis is followed by the Krebs cycle during aerobic respiration.  In the absence of oxygen, Cellular respiration shifts to lactic acid fermentation after glycolysis, producing small amounts of ATP.

Lactic acid accumulates in your muscle cells as fermentation continues during seasons of arduous exercises like a 100m sprint. Your cardiovascular and respiratory systems are unable to transport oxygen to your muscle cells, particularly those in your legs, quickly enough to maintain aerobic respiration during these times.

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(Complete question)

Xavier and Jill are practicing the 100-meter sprint. Which statement BEST describes the metabolic pathways their muscles will utilize to produce the quick energy needed for this intense exercise?

A. Glucose is converted to pyruvic acid, followed by the aerobic pathways of the Krebs cycle and the electron transport chain.

B. Glycolysis produces pyruvic acid and 2 molecules of ATP, then in the absence of oxygen, alcoholic fermentation regenerates NAD to keep

glycolysis running

C. The pyruvic acid from glycolysis enters the mitochondria and is broken down in the Krebs cycle.

D. Glycolysis begins glucose metabolism, and in the absence of oxygen, lactic acid fermentation takes over.

Combination therapy with HIV drugs (called antiretroviral therapy or ART) can prevent HIV transmission to babies and protect their health. Perinatal transmission of HIV is almost always preventable with good medical care.

Every pregnant woman should have her HIV tested and report test results to a pregnancy counselor. If a woman has not received prenatal care, she should request a prompt HIV test at the time of delivery. All newborns perinatally exposed to HIV should be given neonatal antiretroviral (ARV) medications to reduce her risk of perinatal infection and appropriate doses based on level of risk of infection. A suitable ARV regimen should be chosen. Prophylaxis with zidovudine (retrovir) is recommended for most infants exposed to HIV in utero to reduce the risk of vertical transmission. Beginning 8 hours after birth, these newborns should receive zidovudine at a dose of 2 mg/kg every 6 hours for at least 6 weeks.

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Answer: Fixation

Explanation:

The large receptive fields of inferior temporal lobe neurons enable translational invariance, the ability to perceive the same object regardless of its position in the visual field.

In general, convolutional neural networks (CNNs) are assumed to be architecturally invariant to translation, thanks to the convolution and/or pooling operations they have. In fact, several papers have found that these networks are systematically unable to recognize new objects in locations where they have not been trained.

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The correct answer is c) Photosynthesis. This is the primary method of energy acquisition for phytoplankton.

The autotrophic (self-feeding) members of the plankton community and a crucial component of freshwater and ocean ecosystems are phytoplankton.

Photosynthesis is how land plants like trees and phytoplankton get their energy. As a result, phytoplankton lives on the well-lit surface layers (euphotic zone) of seas and lakes because they need sunlight to survive. Phytoplankton are dispersed over a larger surface area than terrestrial plants, are subject to less seasonal change, and have noticeably higher turnover rates than trees (days versus decades). As a result, phytoplankton reacts to changes in the climate quickly on a global scale.

The full question is:

What is the primary method of energy acquisition for phytoplankton?

a. oxygen metabolism

b. chemosynthesis

c. photosynthesis

d. methane metabolism

e. respiration

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