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AP Biology 3.2 A Explain How Changes to the Structure of an Enzyme May Affect Its Function Questions

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

AP Biology 3.2 A Explain How Changes to the Structure of an Enzyme May Affect Its Function Questions question 1

[Maximum number: 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

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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