Neco Model Questions Vol1 2019 Biology Question 1

Practice objective / multiple choice question 1 from the 2019 Neco Model Questions Vol1 Biology examination.

Neco Model Questions Vol1 2019 Biology Objective / Multiple Choice Medium Difficulty
Question 1 NECO_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • objective

In aerobic respiration of one molecule of glucose, each \(\text{NADH}\) yields 3 ATP and each \(\text{FADH}_{2}\) yields 2 ATP. Glycolysis produces a net 2 ATP and 2 \(\text{NADH}\); each pyruvate oxidation yields 1 \(\text{NADH}\); the Krebs cycle yields per glucose 6 \(\text{NADH}\), 2 \(\text{FADH}_{2}\) and 2 GTP (equivalent to ATP). Calculate the total number of ATP molecules produced per glucose under aerobic conditions, and state how many fewer ATP molecules are produced when the glucose is metabolised anaerobically (fermentation).

Answer Options

A. 40 ATP; 38 fewer ATP
B. 36 ATP; 38 fewer ATP
C. 38 ATP; 34 fewer ATP
Correct Answer D. 38 ATP; 36 fewer ATP
Correct Answer
D
Correct Option:
38 ATP; 36 fewer ATP

About This Question

This is Neco Model Questions Vol1 2019 Biology Question 1. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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