Biologyhard · Past Paper
What is the primary role of the 'Signal Recognition Particle' (SRP) in a cell?
AReplicating DNA
BDirecting proteins to the Rough ER
CBreaking down toxins
DActivating apoptosis
✓ Correct Answer: B — Directing proteins to the Rough ER
The SRP recognizes signal sequences on nascent proteins and docks the ribosome to the ER membrane.
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