Gce Model Questions Vol1 2018 Biology Question 30

Practice objective / multiple choice question 30 from the 2018 Gce Model Questions Vol1 Biology examination.

Gce Model Questions Vol1 2018 Biology Objective / Multiple Choice Medium Difficulty
Question 30 GCE_MODEL_QUESTIONS_VOL1 • 2018 • BIOLOGY • objective

During aerobic respiration of one molecule of glucose, each NADH yields \(2.5\) ATP and each FADH₂ yields \(1.5\) ATP. Glycolysis produces \(2\) NADH and \(2\) ATP, pyruvate oxidation produces \(2\) NADH, and the Krebs cycle yields \(6\) NADH, \(2\) FADH₂ and \(2\) GTP (≈\(2\) ATP). Because of proton leak, the overall ATP yield is reduced by \(10\%\) of the theoretical total. Calculate the net number of ATP molecules produced per glucose molecule after accounting for the proton leak.

Answer Options

A. Approximately 30 ATP per glucose molecule.
B. Approximately 27 ATP per glucose molecule.
C. Approximately 31 ATP per glucose molecule.
Correct Answer D. Approximately 29 ATP per glucose molecule.
Correct Answer
D
Correct Option:
Approximately 29 ATP per glucose molecule.

About This Question

This is Gce Model Questions Vol1 2018 Biology Question 30. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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