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7. Glycolysisa. takes place in the mitochondrion.b. produces no ATP.c. has no connection with the electron transport chain.d. is the same thing as fermentation.e. reduces two molecules of NAD+ for every glucose molecule processed.

Question

  1. Glycolysisa. takes place in the mitochondrion.b. produces no ATP.c. has no connection with the electron transport chain.d. is the same thing as fermentation.e. reduces two molecules of NAD+ for every glucose molecule processed.
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Solution

The statement "e. reduces two molecules of NAD+ for every glucose molecule processed." is correct.

Glycolysis is a metabolic pathway that takes place in the cytoplasm of cells in all living organisms. This process does not occur in the mitochondrion, so statement a is incorrect.

Glycolysis produces 2 ATP molecules, so statement b is incorrect.

While glycolysis itself does not directly interact with the electron transport chain, the products of glycolysis are used in the Krebs cycle, which does interact with the electron transport chain. Therefore, statement c is not entirely correct.

Glycolysis and fermentation are not the same thing, although fermentation can occur after glycolysis if oxygen is not present. So, statement d is incorrect.

In the process of glycolysis, one glucose molecule is split into two pyruvate molecules, and in the process, two NAD+ molecules are reduced to form two NADH molecules. So, statement e is correct.

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Glycolysis is a part of cellular respiration that breaks the glucose molecule down to what? A. Acetyl CoA B. Pyruvic acid C. FADH2 D. ATP and NADH

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