The Endomembrane System · NCERT Biology

Which organelle serves as the main site for protein synthesis in the endomembrane system?

  1. Smooth endoplasmic reticulum
  2. Rough endoplasmic reticulum
  3. Golgi apparatus
  4. Lysosome
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Correct answer: Rough endoplasmic reticulum

Rough endoplasmic reticulum has ribosomes attached to its surface. These ribosomes synthesize proteins meant for secretion or membrane insertion.

Difficulty: Medium Question 2 of 20

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