The structures that make the rough endoplasmic reticulum rough are ______?

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The structures that make the rough endoplasmic reticulum rough are ______? Answer: Ribosomes

The structures that make the rough endoplasmic reticulum rough are ribosomes. These tiny organelles are studded on the surface of the rough endoplasmic reticulum (RER), giving it a bumpy or "rough" appearance when viewed under a microscope.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.