Question

In terms of high-energy molecules, what is the net output for one molecule of glucose undergoing glycolysis?

Accepted Answer

Understand the process of glycolysis: Glycolysis is the metabolic pathway where one molecule of glucose (C₆H₁₂O₆) is broken down into two molecules of pyruvate. This process occurs in the cytoplasm and involves a series of enzymatic reactions. Identify the high-energy molecules involved: During glycolysis, ATP (adenosine triphosphate) and NADH (nicotinamide adenine dinucleotide) are the high-energy molecules produced. ATP is used as an energy currency, while NADH is an electron carrier. Account for ATP usage and production: Glycolysis initially uses 2 ATP molecules during the energy investment phase. However, 4 ATP molecules are produced during the energy payoff phase, resulting in a net gain of 2 ATP molecules. Determine NADH production: During glycolysis, 2 NADH molecules are produced when glucose is oxidized to form pyruvate. These NADH molecules can later be used in oxidative phosphorylation to generate more ATP. Summarize the net output: The net output of glycolysis for one molecule of glucose is 2 ATP molecules and 2 NADH molecules. These high-energy molecules are crucial for cellular energy and further metabolic processes.

In terms of high-energy molecules, what is the net output for one molecule of glucose undergoing glycolysis?

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Concetti chiave

Glycolysis

Net ATP Yield

NADH Production