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MA_775_DIABLO [31]
3 years ago
15

Which receptor on the helper T-cell recognizes the specific antigen from an antigen-presenting cell?

Biology
1 answer:
spayn [35]3 years ago
8 0
TCR, or T-cell receptor. 
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Albinism is inherited as autosomal recessive trait. The frequency of the disease in the population equals to 1:20 000. Calculate
prisoha [69]

Answer:

0.0139- frequency of heterozygotes in the population

Explanation:

Let q to the power of 2 represents the frequency of the homozygous recessive (aa) = 1/20000 = 0.00005

This, q = √q^2 = √0.00005 = 0.007

Since p + q = 1

p = 1 - 0.007 = 0.993

Using the formula: p^2 + 2pq + q^2

Where 2pq represents the frequency of the heterozygotes, thing we have

2 x 0.007 x 0.993

= 0.0139

8 0
3 years ago
Suggest why a baby born without any mitochondria will have difficulties growing
zheka24 [161]

Answer:

or our bodies the conversion from food energy to ATP happens in mitochondria. If your mitochondria are not working properly then you are less able to convert food into ATP. For cells that require a lot of ATP, for example your muscles, this is a problem and they may become weaker and get tired faster.

Explanation:

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3 years ago
How might you use a genetic screen to look for genes that are necessary for phototropism??
Svetllana [295]
Sorry I'm not that good on computers I am but not lie a professional. I am very sorry.
4 0
4 years ago
4)
Dafna1 [17]

Answer:

C.) If mutation codes for a premature stop codon

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This would cause an incomplete protein

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imaginary chromosome contains the following chromosome order is Zyxwvut what type of mutation happens
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