Which of the following is(are) COMMON feature(s) for both aerobic andanaerobic bacterial cultures?(A) Glycolysis(B) NAD+ is the oxidising agent(C) Oxidative phosphorylation(D) Two net ATP molecules formed per glucose molecule
Question
Which of the following is(are) COMMON feature(s) for both aerobic andanaerobic bacterial cultures?(A) Glycolysis(B) NAD+ is the oxidising agent(C) Oxidative phosphorylation(D) Two net ATP molecules formed per glucose molecule
Solution
The common features for both aerobic and anaerobic bacterial cultures are:
(A) Glycolysis: This is a metabolic pathway that is part of both aerobic and anaerobic respiration. It is the process that converts glucose into pyruvate, releasing energy and reducing power in the form of ATP and NADH, respectively.
(B) NAD+ is the oxidising agent: In both aerobic and anaerobic respiration, NAD+ acts as an oxidising agent. It accepts electrons during glycolysis and the Krebs cycle, and is reduced to NADH.
(D) Two net ATP molecules formed per glucose molecule: In both aerobic and anaerobic respiration, the process of glycolysis results in a net gain of two ATP molecules per glucose molecule.
(C) Oxidative phosphorylation: This is not a common feature of both aerobic and anaerobic bacterial cultures. Oxidative phosphorylation is a part of aerobic respiration where most of the ATP is produced. It does not occur in anaerobic respiration. In anaerobic conditions, organisms use other methods to regenerate NAD+ from NADH and to produce ATP.
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