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Biology  /  Bio 0542  ·  Procedure · 60–90 seconds

The Steps of Glycolysis

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Glycolysis proceeds through an energy-investment phase and an energy-payoff phase, ten enzyme-catalyzed steps carrying one glucose molecule to two molecules of pyruvate.

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Glycolysis pays back its own two-ATP investment before it profits — the pathway's four gross ATP nets down to two.