A) The prokaryotic ribosomes are 80 S, where S stands for sedimentation coefficient
B) These are composed of ribonucleic acid and proteins
C) These are found only in eukaryotic cells
D) These are self-splicing introns of some RNAs
Correct Answer: B
Solution :
Ribosomes are large, non-membranous, RNA-protein complexes which are necessary for protein synthesis. In prokaryotes, 70 S type of ribosomes are found while 80 S type of ribosomes are found in eukaiyotes.
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