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tresset_1 [31]
3 years ago
6

Explain how we theoretically get 32 atp molecules per glucose oxidized in the liver, but only 30 atp molecules per glucose oxidi

zed in the brain.
Biology
1 answer:
svet-max [94.6K]3 years ago
5 0

Answer:

During the oxidation of glucose in the liver the malate aspartate shuttle system is used, therefore, two additional ATPs get generated at the step constituting glyceraldehyde-3-phosphate dehydrogenase.  

On the other hand, in the brain, a cell uses the glycerol phosphate shuttle system, which generates two less number of ATPs. However, the remaining of the energetics for the number of ATP in both cases are similar.  

Thus, the difference is based upon the kind of shuttle system used that leads to the production of 32 ATPs in liver cells and 30 ATPs in the brain cells.  

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A man who has type B blood has children with a woman who has type A blood. A. If they are both heterozygous for this trait, pred
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The possible blood types of their children are: type AB (iAiB), type A (iAi), type B (iBi), type O (ii)

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Blood type in humans is controlled by a gene with multiple alleles. Alleles iA and iB are dominant over allele i but co-dominant. The following blood types are encoded by the following alleles:

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According to this question, a man who has type B blood has children with a woman who has type A blood. They are both heterozygous, meaning that the man's genotype is "iBi" while the woman's genotype is "iAi". Both parents will produce gametes as follows:

iBi = iB and i

iAi = iA and I

Using these gametes in a punnet square (see attached image), the following possible blood types are produced in the offsprings:

- type AB (iAiB)

- type A (iAi)

- type B (iBi)

- type O (ii)

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