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Marysya12 [62]
4 years ago
13

Class II MHC proteins are found on which of the following cell types? View Available Hint(s) Class II MHC proteins are found on

which of the following cell types? antigen-presenting cells all nucleated cells
Biology
1 answer:
uysha [10]4 years ago
4 0

Answer:

Antigen-presenting cells

Explanation:

Class II MHC molecules are present on the surface of all the antigen-presenting cells. Some of the examples of antigen-presenting cells (APCs) are dendritic cells, macrophages and B cells.

The Class -II MHC molecules are formed in the endoplasmic reticulum of these cells followed by binding of antigen peptide fragments to these class II MHC molecules. The antigen-MHC II complexes are then inserted into the plasma membrane of these antigen-presenting cells.

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Genetic variation among humans is relatively small when compared to other species. Where in the human genome does most of the di
worty [1.4K]

The genetic variations seen in and between populations are known as human genetic variation.

Humans differ genetically from one another. Due to developmental mutations and gene copy-number variation, even monozygotic twins, who arise from a single zygote, may differ genetically. Techniques like genetic fingerprinting rely on individual differences, even between closely related people.

There are 324 million identified variations from sequenced human genomes as of 2017.

A person's genome typically differs from the reference genome by 20 million base pairs, or 0.6% of the total 3.2 billion base pairs, as of 2015.

In contrast to other species, humans are genetically uniform. While a limited number of genetic variations are found more commonly in particular geographic regions or in individuals with ancestry from those places, this variance accounts for the majority of genetic variation.

Genetic variation between populations occurs for at least three reasons. If an allele offers a competitive advantage, natural selection may endow people with an adaptive advantage in a particular environment.

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5 0
2 years ago
In a type of fish there are two alleles for color, yellow and white. When mixed, it results In a color pattern that is yellow an
Hoochie [10]

Answer:

Incomplete dominance

Explanation:

A phenotypic "blending" of two traits is referred to as incomplete dominance, indicating that neither trait is truly dominant over the other. Instead of one color overpowering expression of the other, both colors are expressed simultaneously.

Codominance suggests that both phenotypes are dominant, but cannot be expressed at the same time. The result of codominance would be regions of dominant red expression and regions of dominant white expression, resulting in spots rather than blending.

3 0
3 years ago
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Does mitosis or meiosis occur more frequently in your body, and can you explain
Anuta_ua [19.1K]
Mitosis occur more fast in our body. It can also meiosis occurs more in men than in women, and they splits once as meosis splits twice and they are not identical.

hope this help you out
4 0
3 years ago
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Why is the interdependence of the worms and plants an example of commensalism?
maks197457 [2]

Answer:

The interdependence of the worms and plants is an example of commensalism in a sense that as the worms burrow into the soil, it allows the soil to be<em> loosened</em> which then allows it to properly absorb water and carbon dioxide into its roots. This action <u>benefits the plants' growth.</u> However, such action of the worms,<em> neither benefit the worms nor does it cause any harm.</em>

Explanation:

"Commensalism" is a relationship between two things wherein <em>one benefits while the other is neutral</em>. This means<u> the other one doesn't benefit nor is it harmed.</u>

6 0
3 years ago
On a map, the grand canyon and las Vegas are about 12 inches apart. if the scale is 1 inch = 225 miles, how far apart are the pl
pav-90 [236]

Answer:

12x225= 2700miles.

Explanation:

5 0
3 years ago
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