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9700 · May/June 2016 · examinable unit

9700/41 Question 1

Cambridge Biology · 10 marks · syllabus 12.1. This page is the question object — what is being tested — not the mark scheme.

Stem preview

(a) ATP and NAD both play important roles in respiration. Both compounds are nucleotides. Fig. 1.1 represents the molecular structures of ATP and NAD. Using…

Full stem stays in the official paper. We show a short excerpt so you can identify the item, then attempt your own answer.

What the examiner is asking

This 9700/41 item (10 marks, May/June 2016) is testing whether you can apply syllabus 12.1 under timed exam conditions — not whether you can recall a textbook paragraph. Read the command word, identify the quantity or argument required, and plan the mark-earning steps before you write.

Prerequisite concepts

  • Core definitions and relationships for syllabus 12.1
  • Command-word literacy (state / describe / explain / calculate / deduce)
  • Showing method lines examiners can credit even if the final answer slips
Open prerequisite lesson

Similar practice

After you attempt this question, mark it, then take another 9700 past-paper item on the same topic so the weakness becomes a habit fix — not a one-off score.

Try it yourself — mark my answer How marks are awarded (assessment page)