A specialised membranous structure in a prokaryotic cell which helps in cell wall formation, DNA replication and respiration is:

Question

A specialised membranous structure in a prokaryotic cell which helps in cell wall formation, DNA replication and respiration is:

1. A. Mesosome (Correct answer)
2. B. Chromatophores
3. C. Cristae
4. D. Endoplasmic Reticulum

Correct Answer

Option A — Mesosome

Detailed Solution & Explanation

The correct answer is Mesosome.

Key Points

• The mesosome is a membranous in-folding of the plasma membrane in bacteria that helps in cell wall formation, DNA replication and distribution to daughter cells, and it contains enzymes for respiration.