Biology
Master Botany and Zoology with NCERT-aligned practice — Biology carries 360 of 720 marks in NEET.
Explanation
Smooth ER is involved in lipid synthesis, detoxification, and calcium storage. Protein synthesis occurs on ribosomes attached to rough ER, not smooth ER. (NCERT Ch. 8, p. 131)
NCERT · Ch. 8 · p. 131
Protein synthesis occurs on ribosomes attached to rough ER, not smooth ER.
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Why is protein synthesis not a smooth ER job?
Nova Proteins are made on ribosomes, and those sit on rough ER.
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Biology carries 360 marks in the current official pattern.
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Cell: The Unit of Life