Multiple Choice
What is a signal peptide?
A) The amino acid sequence of a protein that detects changes in the external environment and signals this change to components in the cell.
B) A regulatory protein that turns on/off the expression of certain genes.
C) A protein used to signal cell division.
D) A short amino acid sequence on the end of a protein that is used for transport of the protein out of the cell.
E) A protein in the cytoplasmic membrane that is used to communicate with other closely related cells.
Correct Answer:

Verified
Correct Answer:
Verified
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