which one of the following is best associated with proteins? a. phosphate linkages b. hydrocarbon rings c. hydrocarbon chains d. amino acids

Answers

Answer 1

Amino acids are best associated with proteins. Thus the correct answer is option (D).

The chemical molecule known as an amino acid is one that has both a carboxylic acid (-COOH) and an amino (-NH2) functional group.

The carbohydrate molecule known as starch, on the other hand, is composed of monomers known as monosaccharides. A lengthy chain of carbon, hydrogen, and oxygen atoms makes up the monosaccharide.

This suggests that the main structural distinction between starch and amino acids is that the former contains nitrogen, whereas the latter does not.

The complete question is:

Which one of the following is best associated with proteins?

a. phosphate linkages

b. hydrocarbon rings

c. hydrocarbon chains

d. amino acids

e. saccharides

To learn more about amino acids please click on the given link: https://brainly.com/question/14583479

#SPJ4


Related Questions

pre-frq preparation: identify and explain what threatened the sugarcane crop in australia in the 1930s. describe what australians did in response to the threatened sugar cane crop. explain how efficient or inefficient cane toads were at eating cane grubs and beetles. describe how cane toads kill fish. describe how cane toads altered the ecosystem of australia.

Answers

The species that posed a threat to Australia's sugarcane crop in 1930 were cane grubs. The native species of Victoria are highly threatened by cane toads.

The native species of Victoria were seriously threatened by cane toads. In addition to competing for food, they may quickly spread and colonize new places, may bring new viruses and diseases, and poison via their toxic glands. According to the Victorian Catchment and Land Protection Act of 1994, cane toads fall under the category of controlled pest animals. Threat reduction strategy for the cane toad (Bufo marinus). In order to lessen the effects of cane toads and conserve native species and ecosystems that are impacted by cane toads, the Australian Government has issued a threat abatement plan that outlines the research, management, and other efforts required. Cane Toads kill them by injecting their venom into their bodies. By utilizing poison to kill their predators, the cane toad has altered Australia's environment. This process eliminates certain species, but it also promotes the re-emergence of other prey species.

Learn more about viruses here:

https://brainly.com/question/13588519

#SPJ4

Which claim is most likely based on science?
A.Teas made from carrot leaves and stems are remedies that cleanse toxins from the body.
B.The orange color of carrots is due to a chemical called beta carotene.
C.Orange-colored carrots taste better than white or purple carrots.
D.Orange-colored carrots were introduced by the Dutch people, who preferred them to white carrots.
HELPPPP

Answers

Answer:

B

Explanation:

What is the progression and transformation of information from the pinna onwards to the primary auditory cortex (i.e. outer, middle, inner ear (w/ details) to n. VIII to Cochlear nucleus (dorsal & ventral), superior olivary nucleus, inferior colliculus, medial geniculate nucleus to A1)
Pinna (auricle) --> external auditory canal --> eardrum/timpanic membrane --> hammer --> anvil --> stapes/stirrup --> oval window --> cochlea --> hair cell receptors --> auditory part of the vestibulocochlear 8th cranial nerve --> dorsal and ventral cochlear nucleus (90k neurons) --> ipsilateral and contralateral olivary nucleus --> inferior colliculus --> medial geniculate nucleus --> right and left auditory cortices

Answers

The progression and transformation of information from the pinna onwards to the primary auditory cortex is: eardrum-> hammer-> anvil-> stirrup -> oval window -> cochlea-> N8 -> ipsilateral cochlear nucleus -> superior olivary nucleus -> inferior colliculus -> MGN -> A1

The medical term for the outer ear is auricle or pinna. The outer ear is made from cartilage and skin. The outer ear has three distinct parts. Tragus, helix, lobules.

The auricle (auricle) is the visible part of the auricle. It collects sound waves and directs them into the ear canal (the ear canal), where they are amplified. Sound waves then travel to a flexible oval membrane at the end of the ear canal called the eardrum or tympanic membrane.

The primary auditory cortex (A1) is located in the superior temporal gyrus of the temporal lobe and receives point-to-point input from the ventral part of the medial geniculate complex. Therefore, it contains an accurate tonotopic map.

The primary auditory cortex is involved in the integration and processing of complex auditory signals, including language comprehension. The auditory association area is outside the primary auditory area and is part of the language receptive area known as Wernicke's.

Learn more about primary auditory cortex from:

https://brainly.com/question/8850403

#SPJ4

A horticulturalist wants to produce geraniums with specific characteristics. She knows that the trait of red flowers is governed by the allele R (RR and Rr) and the trait of white flowers is governed by the allele r (rr).The horticulturalist has a red geranium with an uncertain genetic makeup. She crosses it with a white geranium (rr) and gets a generation in which half of the plants have red flowers and half have white flowers. What does this combination of offspring tell her about the genetic makep of the red geranium parent?
a. The red geranium is heterozygous for red flowers (Rr).
b. The red geranium is homozygous for red flowers (RR).
c. The trait shows incomplete dominance.
d. The red geranium is homozygous for white flowers (rr).

Answers

Answer:a

Explanation:the gernairium is the flower of death aka poppyseeds

Mechanoreceptors located in the skin and mucous membranes are called ______ receptors.

Answers

Mechanoreceptors always located in the part of skin and in mucous membranes which we called it as somatosensory receptors.

Mechanoreceptors within the skin are classified as encapsulated, that is, enclosed by a capsule, or unencapsulated, which is a cluster of free nerve endings. As the name indicates, a loose nerve terminal is an unencapsulated dendrite of a sensory neuron membrane. The somatosensory system also includes receptors and neurons that transmit information about frame role and motion to the brain.

These proprioceptors are located in muscles and tendons and respond to stretch and contraction, anxiety and release. Each sensory receptor, whether mechanoreceptor, photoreceptor, chemoreceptor, thermoreceptor, or nocireceptor, is responsible for processing environmental stimuli and converting them to electrical energy.

Learn more about somatosensory receptors Visit :

brainly.com/question/25753221

#SPJ4

you are a big fruit eater and as a result often have slightly high potassium levels in your blood plasma/interstitial fluid. as a result of this, which of the following are true? group of answer choices you would see increased k secretion and decreased aldosterone secretion you would see decreased k secretion and decreased aldosterone secretion you would see increased k secretion and increased aldosterone secretion you would see decreased k secretion and increased aldosterone secretion

Answers

The True option is : You would see increased k secretion and increased aldosterone secretion . Aldosterone, like perspiration and saliva, lowers Na+ and increases K+ secretion in the human colon.

Potassium is the most abundant cation in intracellular fluid, and appropriate potassium distribution across the cell membrane is crucial for good cell function. Long-term potassium homeostasis is maintained through changes in renal potassium excretion in response to changes in intake.

Understanding the mechanisms and regulatory forces that regulate the internal distribution and renal clearance of potassium under normal conditions can give a foundation for treating potassium problems that are regularly seen in clinical practice.

Learn more about to  potassium  visit here:

https://brainly.com/question/13321031

#SPJ4

in the figure, populations of a plant species labeled i, ii, and iii are depicted using simplified age structures containing three age classes: young seedlings, middle aged juveniles, and older adults. which population appears to have stable growth?

Answers

Figure three is displaying to have a stable growth increase. It is due to the fact the quantity of birth(seedlings)  is identical to the quantity of death(older adults). This keep the population stable. Option(2)

Incase of the primary discern, we see a pyramidal structure, for that reason displaying the seedlings are a long way greater than the older adults. This manner the the increase isn't solid, as a substitute it shows a growing or developing population. Similarly the second one discern display a inverted triangle structure, depicting the older adults are tons greater than the seedlings. This will result in a decline withinside the populace soon.

The truth that a population increase amount is steady all the time, however, places robust constraints on how excessive it could be. Since no organization can develop all the time at a fee better than the increase fee of the economic system wherein it operates, the steady increase fee can't be extra than the general increase fee of the economic system. the entire quantity of human beings or population in a rustic or region. : the whole of people occupying a place or making up a entire. : the whole of debris at a selected strength level.

Learn more about population visit : brainly.com/question/21148283

#SPJ4

Correct Question:

true or false? freon administration can cause respiratory damage as a result of sudden cooling of the respiratory tract.

Answers

true  freon administration can cause respiratory damage as a result of sudden cooling of the respiratory tract.

What is harm to the respiratory system?

Respiratory ailments can be brought on by infections, smoking, exposure to secondhand smoke, asbestos, radon, and other types of air pollution. Examples of respiratory conditions include asthma, chronic obstructive pulmonary disease (COPD), pulmonary fibrosis, pneumonia, and lung cancer.

People of all ages and from all geographical locations are affected. Patients with asthma experience chronic airway inflammation, which results in coughing, wheezing, and shortness of breath.

Due to the abrupt cooling of the respiratory tract, administering freon might harm the lungs. Inhalants frequently have a fat-soluble nature, making them easily maintained in organs rich in lipid. Aerosol exposure at surprisingly high quantities can result severe respiratory damage.

To know more about respiratory damage visit:-

https://brainly.com/question/29314387

#SPJ4

describe two events that are common to both mitosis and meiosis that esure the resulting daughter cells inherit the apporopiate number of chromsomes

Answers

The G2 checkpoint and DNA synthesis occur during interphase, which are both shared by mitosis and meiosis.

During interphase, DNA replication occurs. Mitosis can maintain the same number of DNA chromosomes as the parent cell due to chromosome replication, whereas division only halves the DNA despite going through two cellular divisions. Before the cell enters mitosis or meiosis, the G2/M checkpoint ensures that all chromosomes have been replicated and that the replicated DNA is not damaged.

Meiosis is the process by which egg and sperm cells are formed. Mitosis is a necessary process for life. A cell duplicates all of its contents, including its chromosomes, and splits to form two identical daughter cells during mitosis.

Mitosis is the process by which body cells divide and replicate themselves in order to grow and repair. Meiosis is the process by which egg and sperm cells are formed, and the new cells have half the genetic material of the parent cell.

To learn more about meiosis and mitosis, here

https://brainly.com/question/3210423

#SPJ4

100 points please help!

Consider a cell in the G1 phase of the cell cycle, in what order do the following events take place after G1?

Place these in order:
Prophase
Metaphase
Telophase
Anaphase
DNA replicates
Cell prepares for mitosis
Cytokinesis

Answers

Answer:

remember the acronym P MAT to remember the phases of mitosis!

Explanation:

1.) Cell prepares for mitosis

2.) Prophase

3.) metaphase

4.) anaphase

5.) DNA replicates

6.) telophase

7.) Cytokinesis

The cell differentiation in G1 phase start with the cell prepares for mitosis.

What is mitosis?

Mitosis is defined as when replicated chromosomes are split into two new nuclei during the cell cycle. A cell duplicates all of its parts, including its chromosomes, and then divides into two identical daughter cells. Due to the importance of this procedure, specific genes carefully regulate each phase of mitosis.

A cell in the G1 phase of the cell cycle, the order of the event take place after G1 phase are Cell prepares for mitosis, Prophase, metaphase, anaphase, DNA replicates, telophase and Cytokinesis. The cell cycle should proceed in the following order: G1, S, G2, M, and maybe an escape into G0. The first gap, or G1, is when the cell grows and performs its function in the body.

Thus, the cell differentiation in G1 phase start with the cell prepares for mitosis.

To learn more mitosis, refer to the link below:

https://brainly.com/question/26678449

#SPJ2

a research group has characterized the fundamental niche of a small mammal species. the researchers look at a map and identify all of the places in the state where this species should be present. when they visit each location that meets all requirements of the fundamental niche, they find that in 20% of the locations, the small mammal is not there. how could this observation be explained?

Answers

Answer: All of these choices are correct (below)

A population could be there, but no individuals were caught.

The small mammal may have never had a population in that area.

There could be other organisms present that push the small mammal into its realized niche.

The researchers did not accurately define the fundamental niche.

No people were apprehended, however there may be a population there.There was never a colony of the little animal there. Other species might be there and force this same small mammal into realized niche.

The total collection of circumstances that allow an animal (species, species) to live and reproduce itself is referred to as its fundamental niche. Realized niche refers to the circumstances that a particular animal (population, species) really uses, after taking into consideration interactions with the other species (predation, particularly competition). Many organisms go through a wide variety of sizes as they grow from autonomous juveniles through mature adult, and as a result, the majority of them change how they use resources (their niches) throughout the course of their lives. - Abstract. As they grow from autonomous juveniles to competent adults, many creatures experience a wide variety of sizes, and as a result, the majority of them change how they use resources (or their niches) throughout the course of their lives.

Learn more about species

https://brainly.com/question/13259455

#SPJ4

how did the multidrug resistant strains of mycobacterium tuberculosis, like those in the prison, arise?

Answers

Bacteria experience random DNA mutations, which can change the way they behave. Strains that are resistant to antibiotics are developing as a result of the gene.

In the billions, bacteria reproduce. A copy of a gene's DNA that makes a bacterium resistant to drugs may be passed on from one bacterium to another. The newly added DNA makes previously non-drug-resistant bacteria drug-resistant. Only drug-resistant bacteria can survive when there are drugs present.

Learn more about Bacteria

https://brainly.com/question/6941760

#SPJ4,

Which of following lists the correct order of the layers of the epidermis in thick skin from deep to superficial?
a. stratum spinosum, stratum basale, stratum lucidum, stratum corneum, stratum granulosum
b. stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum
c. stratum granulosum, stratum lucidum, stratum corneum, stratum basale, stratum spinosum
d. stratum lucidum, stratum corneum, stratum granulosum, stratum spinosum, stratum basale

Answers

The correct order of the layers of the epidermis in thick skin from deep to superficial is as follows: stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum (option B).

What is epidermis?

Epidermis is the outer, protective layer of the skin of vertebrates, covering the dermis.

The epidermis is composed of keratinized, stratified squamous epithelium. It is made of four or five layers of epithelial cells, depending on its location in the body. It does not have any blood vessels within it

The layers of the epidermis from the deepest to the most superficial include:

Stratum basale (the deepest portion of the epidermis)Stratum spinosumStratum granulosumStratum lucidumStratum corneum (the most superficial portion of the epidermis)

Therefore, option B is the correct representation of the epidermal layers from deepest to the most superficial.

Learn more about epidermis at: https://brainly.com/question/13450121

#SPJ1

darwin observed that different types of organisms live on either side of a geographical barrier. such barriers prevent .

Answers

Genetic diversity, since the animals cannot cross breed across the barrier

eukaryotic cells contain which of the following? question 5 options: ribosomes nucleus endoplasmic reticulum all of the above

Answers

Eukaryotic cells contain all of the above including ribosomes, nucleus, endoplasmic reticulum.

What is eukaryotic cells?

A nucleus and other membrane-bound organelles are found in the cells of eukaryotes, which are creatures. All mammals, plants, fungi, protists, and the majority of algae are eukaryotic organisms, as are many other types of life. Single cells or many cells can make up eukaryotes.

Eukaryotes can have a variety of cell types that combine to generate various types of tissue and can be either single- or multicellular in nature.

Therefore, Option D is correct.

To learn more about eukaryotic cells

Here: https://brainly.com/question/20297189

#SPJ4

flies have only a single pair of functional wings, but their ancestors had two pairs of wings. in this example, what is the type of trait that is related to having two pairs of wings?

Answers

Flies only have a single pair of functional wings, but their ancestors had two pair of wings. Thus, having two pairs of wings is ancestral trait.

Ancestral trait an evolutionary trait that is homologous within groups of organisms (see homology) that are all descended from all  common ancestor in which the trait first evolved.

Flies are considered as the insects of the order Diptera, the name being derived from the Greek word "two", and pteron  as "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into the advanced mechanosensory organs called as halteres, which act as high-speed sensors of the rotational movement and allow dipterans to perform advanced aerobatics.

Dipterans are considered as large order containing around 1,000,000 species including the horse-flies, crane flies, hoverflies and others, although only about 125,000 species have been described till now.

To know more about ancestral trait, visit here:

https://brainly.com/question/28382965

#SPJ4

(Complete question) is:

Flies only have a single pair of functional wings, but their ancestors had two pair of wings. Thus, having two pairs of wings is  _______ trait.

Puberty is initiated when the ______ starts secreting gonadotropin-releasing hormone.

Answers

Puberty is initiated when the hypothalamus starts secreting gonadotropin-releasing hormone.

What is puberty and how is it initiated?

Puberty is that time of life when a child experiences physical and hormonal changes that mark a transition into adulthood and child develops secondary sexual characteristics and becomes able to have children.

Most females start puberty when they are 8 to 13 years old and males start between 9 and 14years of age.

Puberty is initiated with an increase in pulsatile release of GnRH from the hypothalamus after a quiescent period during childhood

When the body reaches a certain age, brain releases a special hormone that starts the changes of puberty which is called gonadotropin-releasing hormone (GnRH).

To know more about puberty, refer

https://brainly.com/question/10660651

#SPJ4

cell is put into a liquid and remains its original size. What is the best conclusion that can be drawn from this observation? The concentration of water is higher in the cell than in the liquid, so water is leaving the cell. The concentration of water is higher in the cell than in the liquid, so water is moving in and out of the cell at the same rate. The concentration of water in the cell is the same as in the liquid, so water is moving in and out of the cell at the same rate. The concentration of water in the cell is the same as in the liquid, so water is leaving the cell.

Answers

Answer:

The concentration of water in the cell is the same as in the liquid, so water is moving in and out of the cell at the same rate.

The cell and the liquid are at equilibrium that means they are equal EQUILibrium

biological features that have a common origin, even if they have a different function, are said to be

Answers

Biological features that have a common origin are called Homologous structures.

What are Homologous structures?

The word Homologous describes things that have some sort of similarity in some ways.

Homologous structures refer to the body parts with common features or traits. They are structures that evolved from a common ancestor.

A common example of homologous structures is the wings of bats and the arms of primates. These two structures do not look similar or have the same function, but genetically, they come from the same structure of the last common ancestor. Therefore, homologous traits of organisms are explained by descent from a common ancestor.

Therefore, biological features that have a common origin are called Homologous structures.

Learn more about homology here: https://brainly.com/question/9640986

#SPJ4

what enables the sympathetic and parasympathetic divisions to bring about opposing effects in most organs they impact?

Answers

Norepinephrine and acetyl choli enables the sympathetic and parasympathetic divisions respectively to bring about opposing effects in most organs they impact.

What are sympathetic and parasympathetic divisions?

Postganglionic neurons in the sympathetic division release norepinephrine and postganglionic neurons in the parasympathetic division release acetyl choli that bring opposing effects in most organs they impact.

Sympathetic system controls fight-or-flight responses and we can say that this system prepares the body for strenuous physical activity whereas the parasympathetic system regulates the rest and digest functions. But both the systems are divisions of the autonomic nervous system.

Ganglia for the sympathetic division are located outside the spinal cord and ganglia for the parasympathetic division are located near or in the organs they connect with.

To know more about sympathetic and parasympathetic , refer

https://brainly.com/question/12961611

#SPJ4

on rare occasions, a new tetraploid species of plant may form. what factors allow the species to form and propagate?

Answers

When on rare occasions the new tetraploid species of plants are formed then the factors that allows the propagation are chromosome nondisjunction, self replication.

So, if a plant produces diploid gametes via nondisjunction and that they self-fertilize, the end result could be a new, tetraploid species. This species is now reproductively remoted from its discern as though the 2 have been to mate they could create nonviable triploid individuals joining of diploid gametes, self-fertilization, chromosome nondisjunction the character has inherited an extraordinary wide variety of chromosome sets (3n, 5n, etc), they're commonly infertile.

This is due to the fact the chromosomes can not pair up successfully at some point of meiosis and hence no purposeful gametes are produced. If the character has a fair wide variety of chromosome sets, they're commonly fertile.

Read more about species:

https://brainly.com/question/13690300

#SPJ4

You are studying three linked genes in corn: leaf color, plant height, and leaf shape (each with two alleles showing complete dominance). The dominant allele A results in green leaves, aa plants have purple leaves. The dominant allele Dresults in tall plants; dd plants are dwarfed. The dominant allele results in ragged leaf margin; rr plants have smooth leaf margins. A triple heterozygote is test-crossed and the following phenotypes of progeny were observed. # of plants 265 140 90 Phenotype green, tall, ragged green, tall, smooth green, dwarf, ragged green, dwarf, smooth purple, tall, ragged purple, tall, smooth purple, dwarf, ragged purple, dwarf, smooth TOTAL 16 24 70 120 275 1000 1. 16 2. 20 3. 30 What is the distance between D and R? 4. 26 5. 50 What's the distance between A and R? 6. 54 What is the order of the genes? 7. RAD What is the distance between D and A? 8. RDA 9. ARD 10. ADR 11. DRA

Answers

The dominant allele A results in green leaves and aa plants have purple leaves. The dominant allele Results in tall plants; dd plants are dwarfed. The distances between A and R,  R and D, and A and D will be,20 cM, 30 cM, and 50 cM respectively.

We can calculate the recombination frequency (RF) by using the following formula.

RF between 2 genes = (single cross-overs for the two genes + double cross-overs) / total number of organisms

Total number of organisms = 1000

d between the two genes = (RF × 100)

Calculate the RF and distance between A & R

    RF = (90 + 70 + 24 + 16) / 1000

    RF = 0.2

    d among A & R = 0.2 × 100

    d among A & R= 20 cM

Calculate the RF and distance between R & D

    RF = (120 + 140 + 24 + 16) / 1000

    RF = 0.3

    d among A & R = 0.3 × 100

    d among A & R= 30 cM

The distance between A & D is equal to the sum of A & R + R & D

    d among A & D = 20 + 30

    d among A & D = 50 cM

The gene order is A-20cM-R-30cM-D

The question in the proper format is attached.

You can also learn about recombination frequency from the following question:

https://brainly.com/question/7299933

#SPJ4

Based on the phenotypes of the p generation and f1 generation, what are possible phenotypes in the f2 generation?.

Answers

When a monohybrid cross is in its F2 generation, Tall and Dwarf phenotypes are both present. The phenotypic ratio is 3:1.

The F1 and F2 generations are what?

F2 generation is the second filial generation of the offspring produced through inbreeding of F1 people. F1 generation denotes the first filial generation of the offspring from the parents.

The P F1 F2 and F3 generations are what?

The P parent generation's offspring are referred to as the F1 (for filial, or "offspring") generation. The children of F1 are known as the F2, and the children of F2 are known as the F3, the F4, the F5, and so on. This continues up until the last generation of the pedigree study.

To know more about phenotypes visit:-

https://brainly.com/question/2887149

#SPJ4

The ability of the arteries to withstand a sudden large increase in pressure is accomplished by the.

Answers

Because the smooth muscles are flexible, the arteries are able to endure a rapid, significant increase in pressure.

How does an artery hold up under pressure?

High pressure is constantly present in arteries. They have more elastin tissue than smooth muscle, which can accommodate this tension. The major blood vessels' ability to expand in size and change in diameter is made possible by the presence of elastin in these vessels.

How does the design support an artery's ability to endure high pressure?

Because of the high pressure, they have a thick wall with an outer layer of collagen. This keeps the artery from rupturing. The inner layer of the arterial wall also consists of muscle and elastic fibers to support maintaining pulse flow.

To know more about  arteries visit:-

https://brainly.com/question/24870470

#SPJ4

Which type of cellular transport moves molecules from low concentrations to high concentrations?.

Answers

Active Transport moves molecules from low concentrations to high concentrations.

What is Active Transport?

Transportation is a natural, physiological and essential process that occurs in all higher organisms including plants, animals, and humans. This process is important to sustain life, as it functions by transporting, different essential materials constantly to and from all parts of the body

Active Transport is the process that involves movement of molecules from regions of lower concentration to regions of higher concentration with the use of external energy against a gradient or an obstacle.

A protein pump makes use of stored energy in the form of ATP, to move molecules during active transport.

Active Transport is of two types:

Primary active transportSecondary active transport

Examples of Active Transport include:

• Phagocytosis of bacteria by Macrophages.

• Movement of Ca2+ ions out of cardiac muscle cells.

• Transport of amino acids across intestinal lining in the human gut.

Therefore, Active Transport moves molecules from low concentrations to high concentrations.

Learn more about Active Transport here: https://brainly.com/question/25802833

#SPJ4

The outermost membrane of a euglenid chloroplast is thought to have been derived from what part of an original host cell that engulfed a green alga?.

Answers

The Plasma membrane of the enveloped alga cell serves as the source of the apicoplast's second outermost membrane.

Where did all chloroplasts come from?

Following the endosymbiotic establishment of chloroplasts in eukaryotes by a cyanobacterium, their proliferation was facilitated by the diversification of eukaryotic hosts and the subsequent engulfment of eukaryotic algae by formerly nonphotosynthetic eukaryotes.

How did eukaryotic cells develop mitochondria and chloroplasts?

Chloroplasts and mitochondria most likely developed from absorbed bacteria that originally existed as autonomous entities. An aerobic bacterium was eventually swallowed by a eukaryotic cell, which later established an endosymbiotic bond with the host eukaryote and gradually transformed into a mitochondrion.

To know more about  Plasma membrane visit:-

https://brainly.com/question/14727404

#SPJ4

humans can synthesize 13 of 21 basic amino acids; the remaining 8, which must be included in the diet, are called:

Answers

Humans can synthesize 13 of 21 basic amino acids; the remaining 8, which must be included in the diet, are called essential amino acids.

Essential amino acids are those that must be obtained through diet because the body "CAN NOT" produce them. Nine amino acids out of a total of twenty are thought to be essential. An essential amino acid, also known as an indispensable amino acid, is an amino acid that cannot be synthesized by the organism quickly enough to meet its demand and must therefore be obtained from the diet.

Nonessential amino acids, like essential amino acids, can be resynthesized in your body to build new proteins as your cells require. They aid in the production of glucose for use as energy and fatty acids for the storage of excess calories. Alanine, arginine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine are the 11 non-essential amino acids.

To learn more about essential and non-essential amino acids, here

https://brainly.com/question/17101933

#SPJ4

Explain how some algal species are able to survive during periods of nutrient starvation and extreme temperatures.

Answers

To create organic food, these phototrophic algae use the light energy from sunlight, carbon dioxide, and water. They use the food they produce as a means of survival when they are starving for nutrients, and they eat it.

A tremendously diversified collection of primarily watery photosynthetic organisms called algae are responsible for over 50% of all photosynthesis on Earth. A broad variety of antenna pigments are used by algae to collect light energy for photosynthesis, which gives different forms of algae their distinctive colours. What is currently known about the carbon dioxide fixation route and the light harvesting reactions is largely the result of early study with algae. Higher plants and algae also undergo photosynthesis, yet the two processes are extremely similar. Two of the three varieties of carbon dioxide-concentrating mechanisms that are known to exist in photosynthetic organisms are present in various kinds of algae. Algae may contribute to the global carbon cycle by aiding in the removal of excess carbon dioxide from the atmosphere.

Learn more about light energy using this link:

https://brainly.com/question/9444330

#SPJ4

Approximately one out of every 2,500 caucasians in the united states is born with the recessive disease cystic fibrosis. According to the hardy-weinberg equilibrium equation, approximately how many people are carriers?.

Answers

In the US, 4% of white people are carriers of cystic fibrosis.

Explanation: If q2 = 1/2,500, then q =.02, p =.98, and 2pq = roughly.04, or 4%, according to the Hardy-Weinberg equilibrium equation.

When the population keeps its genetic variety constant, the Hardy-Weinberg equilibrium equation is applied.

How is the prevalence of cystic fibrosis determined?

The disease cystic fibrosis is autosomal recessive. Hardy Weinberg Equilibrium states that q2, which in this case equals 1/2500 and q = 1/50, is the frequency of an autosomal recessive disease in a population. P = 49/50 1 because the frequency of the two alleles (p & q) must be equal to 1.

To know more about  cystic fibrosis visit:-

https://brainly.com/question/14467649

#SPJ4

2. do the experimental results support that hiv is the selective agent driving evolution of ccr5-δ32? why or why not

Answers

Because the Delta32 mutation impairs the functional expression of the CCR5 chemokine receptor, which HIV-1 typically uses to enter CD4+ T cells, homozygous carriers of the mutation are resistant to HIV-1 infection.

Chemotaxis, which is cellular motility facilitated by chemokine receptors, is located on cell surfaces. The human immunodeficiency virus (HIV) uses the CC chemokine receptor 5 (CCR5) to infect cells. Therefore, methods for stopping and treating HIV infection that specifically target human CCR5 are being developed. The natural course of HIV infection makes CCR5 a prime target for the creation of medications and immunogens that can trigger systemic, and particularly mucosal, responses to shield those who are exposed from infection. The genesis of CCR5-Delta 32 and the rationale for why just such a narrow range of

To learn more about homozygous please click on below link

https://brainly.com/question/376455

#SPJ4

Other Questions
What are some criticisms of the tort law system which report summarizes the overall financial worth of an organization, such as assets and liabilities, at a specific point in time?multiple choice question. A recipe called for the ratio of sugar to flour to be 7 : 3. If you used 63 ounces of sugar, how many ounces of flour would you need to use? Solve by using equivalent fractions._________________ounces of flour (write just the number) Two strings are made of the same material and have waves of equal speed. String 1 is thick; string 2 is thin.Is the tension in string 1 greater than, less than, or equal to the tension in string 2?greater than the tension in string 2equal to the tension in string 2less than the tension in string 2PART BChoose the best explanation from among the following:Equal wave speeds implies equal tensions.String 1 must have a greater tension to compensate for its greater mass per length.String 2 will have a greater tension because it is thinner than string 1. an explosion in a rigid pipe shoots out three pieces. a 6 g piece comes out the right end. a 4 g piece comes out the left end with twice the speed of the 6 g piece. from which end does the third piece emerge? Which best describes the attitudes of the republican and democratic party on free trade?. find the distance between the two points (7,4) (3,3) zhen troubleshoots and repairs computers and networks for individuals and small businesses. which statement best describes what zhen offers to customers? a) a product only b) a service only c) both a product and a service d) neither a product nor a service According to the us constitution, a state can create legislation on issues that are not assigned to states and are delegated to the federal government. relate to currency or the regulation of trade with a foreign nation. are neither assigned to the federal government nor denied to states. relate to the declaration of war or establishing a military. the nurse is percussing the 7th right intercostal space at the midclavicular line over the liver. what sound should the nurse expect to hear? A truck is traveling at 25 m/s on a slippery road. The driver slams on the brakes and the truck starts to skid. If the coefficient of kinetic friction between the tires and the road is 0. 20, how far will the truck skid before stopping?. The solar system is 25,000 light years from the center of our Milky Way galaxy. One light year is the distance light travels in one year at a speed of 3.0 x 108 m/s. Astronomers have determinedthat the solar system is orbiting the center of the galaxy at a speed of 230 km/s.a. Assuming the orbit is circular, what is the period of the solarsystems orbit? Give your answer in years.b. Our solar system was formed roughly 5 billion years ago. How many orbits has it completed?c. The gravitational force on the solar system is the net force due to all the matter inside our orbit. Most of that matter is concentrated near the center of the galaxy. Assume that the matter has a spherical distribution, like a giant star. What is the approximate mass of the galactic center?d. Assume that the sun is a typical star with a typical mass. If galactic matter is made up of stars, approximately how many stars are in the center of the galaxy? PLEASE HELP ASAP!!!! You are planning a cookout and figure that you will need at least 3 packages of hot dogs and hamburgers. A package of hot dogs, x, costs $4 and a package of hamburgers, y, costs $5. You can spend a maximum of $20 on hot dogs and hamburgers.a. Write a system of linear inequalities for the number of packages of each that can be bought. Question 6 of 10Imagine you're taking notes for Cecil Sharp as he travels through Appalachiain 1916. Which of the following do you think you are most likely to find?A. A professional singer singing a Stephen Foster songB. A string quartetC. A singer singing without any instrumental accompanimentD. A bluegrass bandSUBMIT during history-taking, the nurse discovers that a client takes megadoses of vitamin a. how would the nurse interpret this finding? when 3-year-old dre is in the grocery store with his mother he sometimes throws temper tantrums if she refuses his requests for a particular cereal. parent-training experts would suggest that his mother should: True or false: When subject to homogeneous Dirichlet boundary conditions on an in- terval [a,b], every nonsingular second-order linear ordinary differential equation a(x)u" + 6(x) u' + c(u) u = f(x) is (a) self-adjoint, (b) positive definite, (c) positive semi- (x ( definite, with respect to some weighted inner product (9.76). The relationship between levels of military personnel and state revenues as shown in the table is best understood in the context of which of the following global developments in the period 14501750 ?answer choicesAs military forces expanded and became more professionalized, states were forced to develop new ways to generate revenue.As agricultural technology became more advanced, less people were needed to farm and more people were able to be enrolled in state militaries.As commercial profits and urbanization increased, states were able to obtain more revenue.As states expanded their territories, they were able to acquire access to more natural resources. he purpose of low beam headlights is to provide better visibility to a driver driving in fog, rain and smoke. a) true b) false