Q. What is true about ribosomes ?
A) These are self - splicing introns of some RNAs
B) The prokaryotic ribosomes are 80S, where “S” stands for sedimentation coefficient
C) These are composed of ribonucleic acid and proteins
D) These are found only in eukaryotic cells
Explanation
[Solution from source] Ribosomes are made of ribosomal RNA and proteins. Prokaryotic ribosomes are 70S (not 80S), ribosomes occur in both prokaryotes and eukaryotes, and they are not introns. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.