Biologyhard · Past Paper
What is the diameter of a typical eukaryotic ribosome (80S)?
A2-5 nm
B25-30 nm
C100-200 nm
D1-2 micrometers
✓ Correct Answer: B — 25-30 nm
Ribosomes are roughly 25-30 nanometers in diameter, making them visible only under electron microscopes.
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