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Cell The Unit of Life — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYCell The Unit of Life1 Mark
MCQ
The endoplasmic reticulum often bears:
  • A
    Lysosomes
  • B
    Centrioles
  • C
    Peroxisomes
  • D
    Ribosomes
✓

Answer

  1. Ribosomes

Explanation:

Endoplasmic reticulum (ER) is a system of membrane-lined channels found in all eukaryotic cells except mature erythrocytes.

Membranes of ER may bear ribosomes; the ER is then called granular or rough endoplasmic reticulum (RER).

It is abundant in cells engaged in active protein synthesis.

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