A) 80 S (60 S + 40 S)
B) 80 S (30 S + 50 S)
C) 70 S (35 S + 35 S)
D) 70 S (50 S + 30 S)
Correct Answer: D
Solution :
Prokaryotes have 70 S ribosomes each consisting of a small (30 S) and a large (50 S) subunit. Their small sub-unit has 16 S RNA sub-unit bound to 21 proteins, while large sub-unit has a 5 S RNA sub-unit a 23 S RNA sub-unit and 31 proteins.
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