This stage of cellular respiration ends with two atp molecules and two nadh molecules. a. krebs cycle b. electron transport chain c. calvin cycle d. glycolysis

D. Glycolysis

Explanation:

In glycolysis, energy is required to break a molecule of glucose into two pyruvate molecules. These two pyruvate molecules are used during pyruvate oxidation; which is stage II of cellular respiration.

During glycolysis, two molecules of ATP are used and four molecules of ATP are produced. So there is a net gain of two ATP molecules. Hydrolysis of a glucose molecule produces high energy electrons which are used to reduce two NAD+ molecules to NADH.

These two molecules are used in the citric acid cycle to produce more ATP molecules.

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a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.