Gce Model Questions Vol1 2022 Biology Question 28
Practice objective / multiple choice question 28 from the 2022 Gce Model Questions Vol1 Biology examination.
A cell carries out aerobic respiration. Each NADH yields 2.5 ATP and each FADH\(_2\) yields 1.5 ATP. Glycolysis produces 2 NADH, pyruvate oxidation produces 2 NADH, and the Krebs cycle produces 6 NADH and 2 FADH\(_2\). Substrate‑level phosphorylation gives a total of 4 ATP. Because of a mitochondrial defect, only 80 % of the NADH generated in glycolysis are transferred to the electron‑transport chain, while all other NADH are transferred fully. How many ATP molecules are produced from one molecule of glucose?
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This is Gce Model Questions Vol1 2022 Biology Question 28. It is one of the objective questions from the 2022 Gce Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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