alleryStart learning →What gives the rough endoplasmic reticulum its studded appearance?
ARibosomes on its cytoplasmic surface
BPores through its outer phospholipids
CCristae folded into its inner face
DCadherins linking it to the nucleus
Answer & Solution
Correct answer: A. Ribosomes on its cytoplasmic surface
1. The rough ER is named for how it looks under an electron microscope.
2. Ribosomes are attached to its cytoplasmic surface.
3. Those attached ribosomes give the membrane its studded appearance.
4. The smooth ER has few or no ribosomes on that surface, which is why it looks smooth instead.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 4 "Cell Structure", section 4.4 The Endomembrane System and Proteins_
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