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Structure Of The Cell - Questions and Answers

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361. An organelle devoid of membrane covering is
A. Lysosome
B. Peroxisome
C. Ribosome
D. Sap vacuole
Explanation:
362. Organelle ribosomes occur in
A. Bacteria
B. Blue-Green Algae
C. Plastids and Mitochondria
D. Nucleus
Explanation:
363. Cytoribosomes of eucaryotes are different from those of bacterial cells in having
A. Smaller size (70 S type)
B. Larger size (80 S type)
C. Differential chemical structure
D. All the above
Explanation:
364. Eucaryotes possess ribosomes
A. 60 S
B. 70 S
C. 80 S
D. Both B and C
Explanation:
365. Ribosomes were first observed by
A. Claude
B. Palade
C. George
D. De Duve
Explanation:
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