RE-NEET 2026 Botany Prokaryotic Cells Multiple Correct Question
Which of the following are characteristics of prokaryotic cells? (a) Ribosomes are made of 50S and 30S subunits (b) They can have plasmids (c) They contain mesosome (d) They have peroxisomes
(a) and (c) only
(a), (c) and (d) only
(a), (b) and (c) only
(b) and (c) only
Correct Answer
Detailed Explanation
Prokaryotic cells are characterized by their simpler structure compared to eukaryotic cells. They possess ribosomes made of 50S and 30S subunits, can contain plasmids, and may have mesosomes, which are invaginations of the plasma membrane.
The reasoning is as follows:
- Option (a) is correct because prokaryotic ribosomes are indeed composed of these subunits.
- Option (b) is correct as plasmids are common in prokaryotes, providing genetic advantages.
- Option (c) is correct since mesosomes are associated with prokaryotic cells, although their exact function is debated.
Option (d) fails because peroxisomes are characteristic of eukaryotic cells, not prokaryotic ones.
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