Biology
Grade-10
Easy
Question
One molecule of glucose yields how many ATP molecules in aerobic respiration?
- 2
- 16
- 38
- 42
Hint:
Respiration in cells or cellular respiration is the fundamental process through which organisms convert glucose into a form that can be used as energy by the cell.
The fundamental energy carrier in living cells is ATP.
The correct answer is: 38
One molecule of glucose yields 38 ATP molecules in aerobic respiration.
During cellular preparation, sugar is broken down to CO2 and H2O, and in the process, ATP is made that can then be used for cellular work.
The overall reaction for cellular respiration:
Summary of ATP synthesis:
- 8 ATP from Glycolysis
- 6 ATP from Acetyl Co- A
- 24 ATP from Krebs' cycle
Total of 38 ATP are formed from one molecule of glucose during aerobic respiraion.
So the correct answer is 38 ATP
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