The Biology Project > Cell Biology > Cell Signaling > Problem Set

Cell Signaling Problem Set

Problem 2: Signal Responses I

Correct!

Signaling between cells usually results in the activation of protein _______.

A.	lipases
B.	kinases Yes, many receptors bind ligand and activate protein kinases. The transfer of phosphate is a signal that leads to cell responses that may include cell division and differentiation.
C.	proteases
D.	nucleases

The Biology Project > Cell Biology > Cell Signaling > Problem Set