The number of glucose molecules required to produce 38 ATP molecules under anaerobic conditions by a yeast cell are
A
2
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B
4
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C
19
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D
25
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E
38
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Solution
The correct option is C 19 Yeast cells acts upon glucose molecules under anaerobic conditions and yields alcohol as an end product. This process is called fermentation. One glucose molecule produces 2 ATP for yeast under anaerobic conditions, therefore, to produce 38 ATP, 19 molecules of glucose are required. Thus, option C is correct and other options are incorrect.