Question

multiple choice question
electrons released during the citric acid cycle are picked up by electron carriers and delivered to ___.

• the electron transport chain
• adp molecules
• the nucleus
• oxaloacetic acid molecules

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Explanation:

In cellular respiration, electrons released during the citric - acid cycle are carried by electron - carriers (such as NADH and FADH₂) and delivered to the electron transport chain, where their energy is used to generate ATP. ADP molecules are involved in ATP synthesis but do not receive electrons directly from the citric acid cycle. The nucleus is not related to this electron - transfer process in cellular respiration. Oxaloacetic acid is a key molecule in the citric acid cycle but does not receive electrons from the cycle's electron - carriers.

Answer:

A. the electron transport chain