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Select all of the substances that must be present in mitochondria for the process of aerobic respiration to take place.
carbon dioxide
oxygen chlorophyll
organic molecules
enzymes

1 answer

For aerobic respiration to take place in mitochondria, the following substances must be present:

  1. Oxygen - Essential for the electron transport chain and final electron acceptor in aerobic respiration.
  2. Organic molecules - Such as glucose, which provide the initial substrates (fuel) for the respiration process.
  3. Enzymes - Necessary for catalyzing the various biochemical reactions involved in the aerobic respiration pathway.

Carbon dioxide is a product of aerobic respiration, not a reactant, and chlorophyll is not present in mitochondria as it is associated with photosynthesis in chloroplasts.

Thus, the correct substances are:

  • Oxygen
  • Organic molecules
  • Enzymes