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Rubisco (ribulose bisphosphate carboxylase) in AP Biology

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

Definition

Rubisco is an enzyme involved in the first major step of carbon fixation; it catalyzes the conversion of carbon dioxide and ribulose bisphosphate into an unstable 6-carbon intermediate that immediately splits into two molecules of 3-phosphoglycerate.

AP course connection

Topic 3.5: 3.5 Cellular Respiration

Unit 3

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