AIPMT PRELIMS2006Botany-Cellular Respiration
AIPMT PRELIMS 2006 Botany ATP Yield MCQ Question
Type: MCQ-numerical-Hard-Class 11
How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO₂ and H₂O yields 686 kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 kcal?
A
Two
B
Thirty
C
Fifty seven
D
One
Correct Answer
Option B
Detailed Explanation
The total energy yield from glucose is 686 kcal. Dividing by the energy per ATP (12 kcal), approximately 57 ATP molecules can be generated.
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