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Respiratory System

A glucose fed...

Question

A glucose fed yeast is moved from an aerobic environment to an anaerobic one. For the cell to continue generating ATP at the same rate, rate of glucose consumption should increase:

A

2 times

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B

4 times

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C

19 times

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D

38 times

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Solution

The correct option is C 19 times
In anaerobic respiration breakdown of one glucose leads to the formation of 2 ATPs, while in aerobic respiration 38 ATPs are formed after breakdown of one glucose molecule. So, for the cell to generate ATP at the same rate, rate of glucose consumption should increase by 19times.

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