Why do you think Elodea
has so many chloroplasts in each cell?

I WILL GIVE YOU BRAINLYEST!!!

A researcher tries to reduce the size of an enzyme by removing all the amino acids from the protein except those flanking and constituting, the active site. This wouldn't work because enzymes are made up of amino acids that are joined together to form polypeptide chains (proteins) and this protein molecule is folded into a specific three-dimensional shape with a complex structure.

The function of the protein is determined by its shape, which in turn is determined by the sequence of amino acids.

It is important to note that the active site is not the only functional part of an enzyme; it is just the part that binds the substrate and where the reaction occurs.

Removing all the amino acids except those flanking the active site will lead to the loss of the structure and functionality of the protein.

As a result, the enzyme will not be able to bind its substrate and catalyze the reaction. Therefore, reducing the size of the enzyme by removing all the amino acids except those flanking the active site will not work.

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The serotyping of pneumococcus based on capsular polysaccharides is typically performed using the Quellung test. This test allows for the identification and classification of different strains of pneumococcus.

The Quellung test, also known as the Neufeld test, is a technique used to determine the presence and type of capsular polysaccharides in pneumococcal strains. It involves the use of specific antibodies that bind to the capsular polysaccharide antigens.

When the antibodies react with the antigens on the bacterial surface, they cause the capsule to swell or "quell," which can be observed under a microscope. This reaction allows for the identification of the specific capsular type of the pneumococcus strain.

Other methods mentioned, such as Ouchterlony double diffusion, Western blot, immunoelectrophoresis, and radioimmunoassay (RIA), are not commonly used for the serotyping of pneumococcus based on capsular polysaccharides. These techniques may have their applications in other areas of research or diagnosis, but the Quellung test remains the standard method for serotyping pneumococcus.

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Answer:

Its b

Explanation:

Electromagnetic waves are categorized according to their frequency f or, equivalently, according to their wavelength λ = c/f. Visible light has a wavelength range from ~400 nm to ~700 nm. Red light has a wavelength of ~700 nm, and a frequency of ~4.3*1014 Hz.

The ability to enter a r d provides a strong selective advantage because reproduction can occur despite periods of food scarcity is the best evolutionary explanation for the occurrence of a r d in C. elegans. So, the correct answer is  1.

According to the experimental findings, when food is in short supply, C. elegans can enter a r d stage before returning to normal development when food is plentiful.

This trait gives the organism a significant selective advantage in the wild by enabling it to reproduce and live during times of food scarcity.

It is possible that an evolutionary process that has favoured people with the genes required to enter this state over those who cannot has resulted in their ability to do so.

The findings of the experiment thus imply that the capacity to enter a ring is a beneficial adaptation that has been favoured in the C. elegans population.

Complete Question:

The experimental results suggest which of the following is the best evolutionary explanation for the occurrence of a r d in C. elegans?

Options:

1. The ability to enter a r d provides a strong selective advantage because reproduction can occur despite periods of food scarcity.

2. Acquiring the genes for a r d gives individuals a selective advantage because they produce more offspring than those who cannot enter a r d .

3. Individuals who can enter a r d are selected for in the population because they live longer than those who cannot enter a r d .

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Answer:

c

Explanation Your welcome

Answer:

It's C because I took a test on this in 8th Grade

Explanation:

The mouthparts of mass feeders is typically different because they are more complex because they have to chew the food and have to digest the harder materials.

Bulk feeders eat large amounts of food, usually from sources. Examples of mass eaters include humans, lions etc. and most species of birds. Eating whole prey provides the maximum amount of the nutrients. Food can be swallowed whole or in pieces by chewing and swallowing.

During digestion, food is relatively broken down into small and tiny particles and nutrients are extracted. Some animals, like wolves, feed in packs. Hunting in a group minimizes the search area and time, so food can be found faster. Hunting in groups increases the efficiency of catching prey while also reducing the risk of predators.

Mass Eaters use a variety of methods to catch their prey. This includes stalking and hunting prey. Some bulk feeders feed in groups like this Wolf. Hunting in a group minimizes the search area and time, so food can be found faster. Hunting in groups increases the efficiency of catching prey while also reducing the risk of predators.

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Answer:

B carbon dioxide

Explanation:

the process uses oxygen and produces carbon dioxide as a waste product.

Answer:. The genotype is RB(the gene)

The phenotype is purple(the physical appearance)

None of the flowers will be red

All will be purple.

None will be blue

Note: the crossing above indicates a case of co-dominance

Answer:

core

The core is the thickest layer of the Earth, and the crust is relatively thin, compared to the other layers.

Explanation:

Answer:

They believe that they should have free will and in their mind they know that if they don`t fight then they can never feel like they belong on this earth and they would do whatever it takes to show people that they have a voice and that it should never be silenced but always be heard. People know even if there are challenges it shows that have got courage to overcome it and get to a better place in life.

Explanation:

The part of the innate (nonspecific) immune system targets cells that do not belong into our body will be "natural killer cells".

The third significant component of the innate immunity is the natural killer cells. They specialise in the detection of tumor-forming or virus-infected cells. To accomplish this, they look for cells whose surfaces have changed, and then use cell toxins to demolish the cell surface.

Only after prior exposure to a virus does the body begin to generate antibodies, which are highly specific for such a single antigen. It would be therefore not regarded as innate.

Therefore, the correct answer is option (c)

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A.

..................

Explanation:

If the membrane is too rigid it becomes brittle and if the membrane is to fluid it will easily break down.

The membrane of a cell is made out of two phospholipid layers. In 1972 Garth L. Nicholson and S.J Singer gave us the model of *plasma* *membrane* . Overtime the model came to be known as fluid mosaic model. Here the model describes the membrane to be a mosaic of various components such as proteins , cholesterol, phospholipid and carbohydrates , giving a fluid like structure for the plasma *membrane* . The phospholipid part of the plasma membrane has a hydrophilic head and hydrophobic tail. The hydrophilic part is in touch with the fluid outside and inside of the cell. Where is the hydrophobic part is non-polar in nature. The rest is made out of protein elements such as integrins. Third most important component of membrane are carbohydrates . So if the *membrane* is too rigid then as the temperature goes down it will become extremely brittle and can break easily. And if the membrane became too fluid it might make the lipid bilayer unstable.

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The leaf with the smallest surface area is most likely to come from a plant that lives in a dry climate. Because the leaf of plants that live in a dry climate will adapt for reduce water loss due to evaporation, so they have reduced leaf size, thick cuticles, and small stomata.

In general , Plants present in the dry climate will have to  conserve water, hence they develop smaller leaves for reducing the surface area for water loss . The smaller surface area helps in less exposed area for water to evaporate from the leaf. On the other hand the plants in wet climates results in having the larger sized leaves with a greater surface area because they have more access to water.

Hence,  in the given  set of leaves, the one with the smallest surface area will come from plant that lives in a dry climate.

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The maximum number of doses of the growth product that an animal in this population could have is 12, option D is correct.

To calculate the maximum number of doses of the growth product that an animal in this population could have, we need to consider the different alleles at each locus and their contributions.

At the S locus, the S1 allele contributes 2 doses of the growth product, and the S2 allele contributes 4 doses.

So, an animal can have either 0, 2, or 4 doses from this locus.

At the Q locus, the Q1 allele contributes 1 dose, and the Q2 allele contributes 2 doses.

So, an animal can have either 0, 1, or 2 doses from this locus.

To find the maximum number of doses, we need to consider the highest dose from each locus. The highest dose from the S locus is 4 doses (S2 allele), and the highest dose from the Q locus is 2 doses (Q2 allele).

4 + 2 = 6 doses.

However, since an organism can possess both loci, we need to add the doses from each locus together.

Thus, the maximum number of doses of the growth product that an animal in this population could have is:

6 + 6 = 12 doses.

Therefore, the correct option is D. 12.

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The complete question is:

In the cell, two loci are marked: the S locus and the locus Suppose each locus contributed to the height of the organism that possessed it. Assume that the S1 allele contributes 2 doses of a growth product that increases height and S2 contributes 4 such doses, whereas Q1 contributes 1 dose and Q2 contributes 2 doses. If a population of animals contains only those alleles described above for each locus, what is the maximum number of doses of product that an animal in this population could have?

A. 7

B. 9

C. 10

D. 12

C. 13

Answer:

maintain homeostasis

Explanation:

Aerobic respiration takes place in the mitochondria, and fermentation takes place in the cytoplasm.

The processes by which cells break down organic molecules to produce ATP are called cellular respiration.

Cellular respiration is an exergonic process, where part of the energy contained in food molecules is used and another part is lost as heat.

Cellular respiration occurs in different cell compartments:

Mitochondria are organelles present in eukaryotic cells where aerobic respiration takes place from the degradation of organic compounds.

Mitochondria are made up of two membranes, an outer one that is smooth and an inner one that folds inward to form ridges.

The selective permeability of the inner membrane is of fundamental importance since it enables the mitochondria to allocate the energy of respiration for the production of ATP.

Fermentation is the degradation of organic compounds in the absence of oxygen; produces less energy than aerobic processes, both alcoholic and lactic fermentation, occurs in the cytoplasm.

Therefore, we can conclude that aerobic respiration takes place in the mitochondria, and fermentation takes place in the cytoplasm.

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A.weather

Answer:

1.70%

2.25%

3.5%

hope this helped:)))))))))))

Answer:

There are 3 types of soil

Explanation:

-Sandy soil

-Clay soil

-Loam or something i forgot lol

1.basically Sandy soil absorbs and doesn't retents water (water retention) so it evaporates quizker than most soils

2.While clay say doesn't absord much water

3.And loamy soil (Mostly used in gardening) absorbs water but doesn't retain it so it evaporate or either used up by plants.

Answer:

h a i

Explanation:

Answer:

When a force is applied on them(Change of position), hope this helps you.

Mayfly, stonefly, and caddisfly larvae are commonly used as indicator species in water quality testing because they are sensitive to changes in their environment and have different tolerance levels to various pollutants, making them valuable indicators of water quality.

These larvae require clean, oxygen-rich water to survive, so their presence in a body of water is a good indication that the water quality is healthy. Conversely, the absence or low numbers of these macro-invertebrates suggest poor water quality.

In addition, the different species of mayflies, stoneflies, and caddisflies have varying sensitivities to different types of pollutants. For example, some species may be more tolerant of sedimentation, while others may be more sensitive to changes in pH levels or high levels of nutrients.

These insects, which have a life cycle that begins in water and ends on land, are critical indicators of water quality, especially in rivers and streams. They play a key role in the food chain, providing nourishment for fish, birds, and other aquatic animals.

Therefore, by examining the abundance and diversity of these indicator species, scientists can gain insight into the types and levels of pollutants present in the water. This information can then be used to make informed decisions about water management, conservation, and restoration efforts.

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the expected number of alpha alleles in that population is 320. Therefore option A is correct.

To calculate the expected number of alpha alleles in the population, we multiply the frequency of the alpha allele by the total number of individuals in the population.

Given that the frequency of the alpha allele at locus Y6 is 0.8 and the population size is 400 individuals, we can calculate the expected number of alpha alleles as follows:

Expected number of alpha alleles = Frequency of alpha allele * Population size

Expected number of alpha alleles = 0.8 * 400

Expected number of alpha alleles = 320

Therefore, the expected number of alpha alleles in the population is 320.

Thus, the correct answer is 320.

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Vibrio cholerae is a human pathogen that causes cholera, the shape of this species is curved rod shaped.

Cholera is a potentially fatal secretory diarrhea characterized by many, copious watery feces, frequently accompanied by vomiting, and culminating in hypovolemic shock and acidosis.

It is caused by members of the Vibrio cholerae species, which can also produce mild or inapparent infections. Other members of the species may produce localized outbreaks of milder diarrhea on occasion, although the great majority are free-living and unaffected by illness.

Vibrios are Gram-negative curved rods with a single polar flagellum that are highly motile. They can withstand alkaline medium, which kills most intestinal commensals, but they are acid sensitive. There are several free-living vibrios, some of which are potentially harmful.

Cholera is spread by the fecal-oral route. Vibrios are acid-sensitive organisms that perish in the stomach. Surviving pathogenic organisms may cling to and populate the small intestine, where the highly lethal cholera enterotoxin is released (CT, also known as "choleragen"

This toxin binds to the plasma membrane of intestinal epithelial cells, releasing an enzymatically active component that increases cyclic adenosine 51-monophosphate production (cAMP). An increase in intracellular cAMP causes massive electrolyte and water release into the intestinal lumen.

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Answer:

D

Explanation:

Plants first go through photosynthesis, using sunlight and carbon dioxide. This creates glucose. It then releases oxygen into the atmosphere as a byproduct. To convert the glucose into usable energy, the plant goes through cellular respiration, which converts oxygen and glucose into ATP.

Answer:

dont know raadi solve your self

The purpose of fruits from a plant's perspective is to protect and disperse the seeds that they contain, thereby ensuring the survival and reproduction of the plant.

Fruits are the mature ovary of a flower, and they are formed after the flower has been pollinated and fertilized. The seeds that are contained within the fruit are the result of fertilization, and they are the next generation of the plant.

In order to ensure the survival and dispersal of their seeds, plants have evolved a variety of strategies for producing and dispersing fruits. Some fruits are brightly colored or fragrant in order to attract animals, which then eat the fruit and disperse the seeds in their feces.

Other fruits have hooks or spines that attach to the fur or feathers of animals, allowing the seeds to be carried to new locations. Still, others rely on wind or water for seed dispersal, and produce lightweight or buoyant fruits that can be carried long distances.

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