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NEET 2025, Biology Q82: Structure and Functions of Cell Organelles

NEET2025Biology
Q.

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

  1. A

    Endoplasmic Reticulum

  2. B

    Mesosome

  3. C

    Chromatophores

  4. D

    Cristae

Solution

A mesosome is an in-folding of the plasma membrane of a prokaryotic cell. It helps in cell-wall formation, DNA replication and distribution to daughter cells, and contains enzymes involved in respiration.

ER and cristae are eukaryotic structures; chromatophores are pigmented structures involved in photosynthesis in certain bacteria.

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