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Gnesinka [82]
3 years ago
6

How does your body adapt surface area-to-volume ratios to help exchange gases?

Biology
2 answers:
kap26 [50]3 years ago
6 0
The way how our bodies adapt surface area-to-volume ratios to help exchange gases is that our lungs has alveoli which consist of very small spheres whose main function is to allow us to <span>exchange gas. I hope it is clear. Regards!</span>
V125BC [204]3 years ago
3 0

Answer:

The surface area to volume ratio of a cell must be such that the cell membrane has enough surface area to adequately serve the internal contents (volume) of the cell, including the adequate exchange of gases. As the cell grows, its surface area to volume ratio decreases, reducing the rate of gas exchange.

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A guinea pig with giant muscles is bred with a guinea pig with regular muscles. If muscle size in guinea pigs is INCOMPLETE domi
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Answer:

Yes, they would be able to produce weak muscled guinea pigs

Please see details below

Explanation:

This question involves a single gene coding for muscle size in guinea pigs. The allele for giant muscles (G) is incompletely dominant over the allele for regular muscles (R). This means that a third intermediate phenotype (weak muscles) is produced in a heterozygous state.

According to this question, a guinea pig with giant muscles (GG) is bred with a guinea pig with regular muscles (RR). The following gametes will be produced by each parent:

GG - G and G

RR - R and R

Using these gametes in a punnet square (see attached image), the following proportions of offsprings will be produced:

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This shows that all the offsprings (100%) have weak muscles, hence, YES is the answer to this question.

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2 years ago
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