Question detail
Question 2: Explain explain (ht only) how a mutation may change the protein synthesised by a gene in DNA structure (biology only).
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Reproduction
Question
Question 2: Explain explain (ht only) how a mutation may change the protein synthesised by a gene in DNA structure (biology only).
Answer
A strong answer should explain explain (ht only) how a mutation may change the protein synthesised by a gene using the context of DNA structure (biology only).
Explanation
A strong answer should explain explain (ht only) how a mutation may change the protein synthesised by a gene using the context of DNA structure (biology only). This supports the approved learning objective: Explain (HT only) how a mutation may change the protein synthesised by a gene. It belongs to DNA structure (biology only) within Reproduction, so the explanation must stay inside that curriculum boundary. Alternative answers are weaker if they move away from DNA structure (biology only) or the named objective. This wording is unique to question variant 2 for explain-ht-only-how-a-mutation-may-change-the-protein-synthesised-by-a-gene-exam-style-2.
Common mistake
Misinterpreting a point mutation
Students often think that any change in a single DNA base will always produce a completely different protein, ignoring the possibility of silent or conservative mutations.
Explain that a point mutation may be silent (no amino‑acid change), conservative (similar amino‑acid), or non‑conservative (different amino‑acid), and only the latter will alter the protein’s structure or function.
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