Question

the ______ of the electron transport chain are found in the cristae of the mitochondria.

o enzyme - containing complexes
o oxygens
o electrons
o hydrogens

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Explanation:

The electron - transport chain in mitochondria consists of enzyme - containing complexes located in the cristae. Oxygen is the final electron acceptor, electrons are transferred through the chain, and hydrogen ions are pumped across the membrane during the process. But the structures found in the cristae are the enzyme - containing complexes.

Answer:

O. enzyme - containing complexes