In the construction of an expression vector, a signal sequence
A) allows for the expression of a gene in a particular tissue only.
B) allows the expression of a gene to be turned on or off.
C) allows the gene product to be directed to an appropriate location.
D) makes a gene responsive to hormonal stimulation.
E) None of the above

Question

Quizplus · Accepted Answer

A signal sequence directs a gene product to the appropriate location within the cell, such as the cell membrane or a specific organelle. It does not limit expression to a particular tissue (A), turn expression on or off (B), or make the gene responsive to hormonal stimulation (D). Therefore, choice C is the best answer.

In the Construction of an Expression Vector, a Signal Sequence