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IB Biology SL C1.1.4 Enzymes As Globular Proteins Questions

Explore how globular enzymes use a small active-site pocket to bind substrates, form enzyme–substrate complexes and catalyse reactions in IB Biology SL C1.1.4.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Describe enzymes as usually globular proteins with a small active-site pocket that binds a substrate.
  • Explain that binding forms an enzyme–substrate complex and allows the reaction to be catalysed.

IB Biology SL C1.1.4 Enzymes As Globular Proteins Questions question 1

[Maximum number: 1]

The image represents the structure of the enzyme Rubisco from common pea (Pisum sativum).

Figure for Question IB Biology SL C1.1.4 Enzymes As Globular Proteins Questions question 1 — IB Biology SL

State a role of the active site of an enzyme.

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