AP Biology 3.2.A Enzyme Structure and Function
Practise AP Biology 3.2.A questions by explaining how temperature, pH, amino-acid sequence and active-site structure change enzyme function.
- Syllabus
- Effective Fall 2025
- Course
- AP Biology
Exam points
- explain how temperature or pH changes alter enzyme structure and activity
- connect amino-acid sequence or active-site shape to substrate binding and rate
- predict when denaturation or reversible structural change reduces catalysis
3.2.A—Explain how changes to the structure of an enzyme may affect its function question 1
Figure 1 shows the reactions of the metabolic pathway used to synthesize amino acid B from
amino acid A in cells.
Figure 1. Synthesis of amino acid B from amino acid A
Based on Figure 1, explain how a change in pH could affect enzyme 3 in such a way that
amino acid B cannot be produced.
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