Question detail
Which option best matches the approved learning objective for DNA structure (biology only) (1)?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Reproduction
Question
- A. It means students should be able to explain (HT only) how DNA structure affects the protein made by controlling the amino acid sequence.
- B. It means A is never assessed in Reproduction.
- C. It means learners only need to memorise the topic title for DNA structure (biology only).
- D. It means students should give the opposite of the approved learning objective.
Answer
The correct answer is It means students should be able to explain (HT only) how DNA structure affects the protein made by controlling the amino acid sequence..
Explanation
The correct option is It means students should be able to explain (HT only) how DNA structure affects the protein made by controlling the amino acid sequence. because it directly reflects the approved learning objective: Explain (HT only) how DNA structure affects the protein made by controlling the amino acid sequence..
Common mistake
Misunderstanding Base Pairing Rules
Students often think that any base can pair with any other base, or that the order of bases in DNA directly determines the amino acid sequence without considering codon structure.
Explain that only complementary bases pair (A with T, C with G) and that the DNA sequence is read in triplets (codons) on the mRNA, each codon specifying a particular amino acid. Emphasise that the sequence of codons, not the individual bases alone, determines the protein sequence.
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