WAEC Biology 2009 Objective — Question 9
Question 9 of 60 from the West African Examinations Council (WAEC) Biology 2009 Objective paper, with the correct answer and a full explanation.
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In cellular respiration, energy is made available to organism by
- A. A. removal of a phosphate group from ADP
- B. B. breaking off a phosphate group from ATPCorrect
- C. C. adding a phosphate group to glucose
- D. D. breaking off a hydrogen ion from NADPH
Explanation
With the use of the enzyme ATPase, adenosine triphosphate (ATP) is broken down into adenosine diphosphate (ADP), and energy is released for use in the cell.
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