The Three Ways That a Cell Might Respond to an External

Multiple Choice

The three ways that a cell might respond to an external chemical signal include Changes in gene expression
Ion channel opening/closing
Enzyme activation/deactivation
Which general features of these three response mechanisms is most varied?

A) Specificity of response
B) Sensitivity of response
C) Speed of response
D) Ability to be regulated
E) Ability to change via genetic mutation