Question

what is the first step of aerobic respiration? electron transport chain pyruvate oxidation glycolysis citric acid cycle

Explanation:

Aerobic respiration has multiple steps. Glycolysis occurs first in the cytoplasm, breaking down glucose into pyruvate. The electron - transport chain is the final step. Pyruvate oxidation follows glycolysis and precedes the citric - acid cycle.

Answer:

glycolysis