Question

How does the process of protein synthesis differ between the rough ER and free-floating ribosomes in the cytoplasm?(1 point)
Responses

The rough ER synthesizes proteins for export or membrane insertion, while free ribosomes synthesize proteins for use within the cell.
The rough ER synthesizes proteins for export or membrane insertion, while free ribosomes synthesize proteins for use within the cell.

Both the rough ER and free ribosomes synthesize proteins, but only the rough ER can modify proteins after synthesis.
Both the rough ER and free ribosomes synthesize proteins, but only the rough ER can modify proteins after synthesis.

Free ribosomes are involved in synthesizing lipids, while the rough ER synthesizes proteins.
Free ribosomes are involved in synthesizing lipids, while the rough ER synthesizes proteins.

The rough ER synthesizes proteins for use in the mitochondria, while free ribosomes handle protein synthesis for the cytoplasm.

Answers

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Answered by GPT-4o mini
The correct response is:

**The rough ER synthesizes proteins for export or membrane insertion, while free ribosomes synthesize proteins for use within the cell.**

This reflects the difference in the roles of the rough endoplasmic reticulum (ER) and free ribosomes in protein synthesis. The rough ER is primarily involved in synthesizing proteins that are destined for secretion or for incorporation into cell membranes, while free ribosomes synthesize proteins that function within the cytosol of the cell.

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