A point mutation that changes one amino acid in a protein is called a:

A Frameshift mutation

B Missense mutation

C Nonsense mutation

D Silent mutation

✓ Correct Answer: Option B

A missense mutation changes a codon to code for a different amino acid, potentially altering protein function.

💡 Why is B) the correct answer?

The correct answer to the question "A point mutation that changes one amino acid in a protein is called a:" is Option B: Missense mutation.

The other options — A) Frameshift mutation, C) Nonsense mutation, D) Silent mutation — are incorrect for this AP Exam Prep question. As explained above: A missense mutation changes a codon to code for a different amino acid, potentially altering protein function.

📚 About This AP Exam Prep Practice Question

This 2-level AP Exam Prep question from the AP Biology topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free AP Exam Prep practice test or use flashcards for spaced repetition review.

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A point mutation that changes one amino acid in a protein is called a:

✓ Correct Answer: Option B

📚 About This AP Exam Prep Practice Question

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