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What is true about ribosomes
Options
(a) The prokaryotic ribosomes are 80S, 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:
These are composed of ribonucleic acid and proteins
Explanation:
Ribosomes are amembraneous (ie. without membrane) cell organelle composed of rRNA and protein. These are found in both prokaryotic and eukaryotic cells. In prokaryotes, ribosomes are 70S type while in eukaryotes, it is 80S type.
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Topics: Cell Structure and Functions
(413)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Human population is characterized by
- In the cell walls of the guard cells cellulose microfibrils are oriented
- Prothrombin, which helps in clotting of blood, is released by
- Chromatophores in skin of frog are found in stratum
- Cells are connected by plasmodesmata, the system is
Topics: Cell Structure and Functions (413)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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