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KengaRu [80]
3 years ago
13

The mitochondrial electron transport chain

Biology
1 answer:
katrin [286]3 years ago
7 0

Answer:

Option B , synthesizes ATP.

Explanation:

When the inner mitochondrial membrane is intact, ATP is synthesized. ATP is synthesized from ADP and Pi by  electrons from NADH or FADH2 to O2. This process is known as oxidative phosphorylation which is driven by an electrochemical proton gradient across the inner membrane with three processes occurring simultaneously  

a) electron transport,  

b) proton pumping, and  

c) ATP formation  

Hence, option B is correct

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A woman with normal vision has a son. The woman’s maternal grandfather is color-blind. What is the probability that the son is c
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= \frac{1}{4}

Explanation:

Given that the woman’s maternal grandfather is color-blind, then it is possible that the woman is a carrier of color-blind allele.

Then probability that the woman is a carrier of color-blind allele is = \frac{1}{2}  

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and the normal man = XY

so if we have a cross between  XY and XX^c; we have:

                     X                     Y

X                   XX                 XY

X^c                 XX^c                 X^cY

we can see the offspring to be :

XX =normal unaffected female

XY = normal unaffected male

XX^c = carrier female for color-blind

X^cY = carrier male for color-bind

Then probability that of  inheriting defective allele = \frac{2}{4} = \frac{1}{2}

Let's not forget that the probability that the woman is a carrier of color-blind allele is = \frac{1}{2}  

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= \frac{1}{4}

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Recalling what you have learned about cells, you marvel at the ability of these tiny things to support their life functions. You
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Answer:

The reason cells are so small is because the fact that they need to diffuse through other materials more efficiently.

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