AP Bio Review - Unit III (Energetics)

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What is glycolysis?

Back

Glycolysis is a metabolic process that converts glucose into pyruvic acid, producing a small amount of ATP and NADH. It occurs in the cytoplasm and does not require oxygen.

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Where does glycolysis occur in the cell?

Back

Glycolysis occurs in the cytoplasm of the cell.

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What is the main product of glycolysis?

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The main product of glycolysis is pyruvic acid.

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Is glycolysis an aerobic or anaerobic process?

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Glycolysis is an anaerobic process, meaning it does not require oxygen.

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What is the Calvin Cycle?

Back

The Calvin Cycle is a series of biochemical reactions that occur in the stroma of chloroplasts, where carbon dioxide is fixed into carbohydrates using ATP and NADPH produced in the light reactions.

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What is photolysis in photosynthesis?

Back

Photolysis is the process of splitting water molecules into oxygen, protons, and electrons during the light-dependent reactions of photosynthesis.

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What is the source of oxygen produced in photosynthesis?

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The oxygen produced in photosynthesis comes from the photolysis of water.

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What are the light reactions of photosynthesis?

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The light reactions are the first stage of photosynthesis, occurring in the thylakoid membranes, where light energy is converted into chemical energy in the form of ATP and NADPH.

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What is the Krebs Cycle?

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The Krebs Cycle, also known as the citric acid cycle, is a series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins.

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What is the role of NADPH in photosynthesis?

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NADPH is a reducing agent that provides the electrons needed for the reduction of carbon dioxide in the Calvin Cycle.