A Levels Biology (9700)•9700/12/M/J/25

Explanation
Locations of extracellular enzyme production
Steps:
- Extracellular digestive enzymes used by prokaryotes are synthesized inside the cell and secreted externally.
- Hydrolytic enzymes used by eukaryotic phagocytes for digesting engulfed prokaryotes via phagocytosis are produced inside the cell in organelles like the Golgi apparatus.
- The question text is garbled ("digested hydrolytic enzymes"), making the distinction unclear between production and use sites.
- Choices B–D are identical, preventing differentiation.
Why A is correct:
- Not enough information due to ambiguous phrasing and repeated choices; A is stated as correct but lacks supporting detail tied to biology.
Why the others are wrong:
- B: Identical to others; cannot assess uniquely, but assumes outside production for both, contradicting intracellular synthesis.
- C: Identical to B; invalid due to duplication.
- D: Identical to B; invalid due to duplication.
Final answer: A
Topic: Cells as the basic units of living organisms
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