Question

question 3
the correct sequence in the aerobic metabolic breakdown of glucose is:
electron transport chain--citric acid cycle--prep reaction--glycolysis
glycolysis--prep reaction--citric acid cycle --electron transport chain
photosystem ii--photosystem i--calvin cycle
carbon fixation--carbohydrate reduction--rubp regeneration
glycolysis--prep reaction--electron transport chain--citric acid cycle

Explanation:

• Glycolysis is the first step where glucose is broken down.
• Then comes the prep reaction (pyruvate oxidation).
• After that is the citric acid cycle.
• Finally, the electron transport chain occurs.
• The other options are either related to photosynthesis (like photosystem II - photosystem I - Calvin Cycle and carbon fixation - carbohydrate reduction - RuBP regeneration) or have incorrect order (electron transport chain - citric acid cycle - prep reaction - glycolysis and glycolysis - prep reaction - electron transport chain - citric acid cycle).

Answer:

glycolysis--prep reaction--citric acid cycle --electron transport chain