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Glyceraldehyde-3-phosphate, or G3P in AP Biology

Verified for the 2027 exam
Verified for the 2027 exam•Fiveable Content Team

Definition

G3P is a three-carbon sugar molecule that is an important intermediate in both glycolysis and the Calvin cycle. It's essentially what gets produced when glucose breaks down for energy.

This definition is part of Fiveable's AP Biology review, which also has guided practice questions.

AP course connection

Topic 3.5: Cellular Respiration

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Unit 3

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