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Structure Of The Cell - Questions and Answers

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346. Organelle and prokaryotic ribosomes are generally
A. 80 S
B. 100 S
C. 70 S
D. 45 S
Explanation:
347. Ripe fruits soften due to
A. Degeneration of cell walls
B. Partial solubilisation of pectic compounds
C. Metabolism of tannins
D. Exosmosis
Explanation:
348. rRNA present in 60 S subunit of ribosome is
A. 5 S
B. 5.8 S
C. 28 S
D. All the above
Explanation:
349. A ribosome is composed of
A. A single unit
B. Two subunits
C. Three subunits
D. Four subunits
Explanation:
350. S.E.R. takes part in synthesis of
A. Lipids and steroids
B. Vitamins
C. Carbohydrates
D. All the above
Explanation:
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