A Levels Biology (9700)•9700/11/M/J/22
Explanation
Matching cell structure functions to appearances Steps:
- Identify function 1 (mRNA passes through ribosome) matches non-membrane-bound spherical structures (ribosomes, X).
- Identify function 2 (produces mitotic spindle) matches non-membrane-bound cylindrical structures (centrioles, Z).
- Identify function 3 (packages hydrolytic enzymes in cell) matches membrane-bound enclosed cavity (lysosomes, V).
- Compare to choices, but C is blank and A includes undefined W, making options ambiguous.
Why D is correct: Not enough information due to incomplete choices.
Why the others are wrong:
- A includes undefined W, invalid match.
- B (V X Y) mismatches function 2 (V and Y not centrioles) and 3 (X not lysosomes).
- C blank, no matches provided.
Final answer: Not enough information.
Topic: Cells as the basic units of living organisms
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