Question

A steroid hormone typically alters the activity of its target cells by
A. rnaking holes in the members of the target cells
B. entering the cell and altering gene expression
C. making holes in the lysosome of target cells
D. activation of CAMP

Answer 1

Correct Answer - B
A second messanger is required for the action of water soluble hormones as these can not cross the plasma membrane. They act by stimulating a second messenger such as CAMP.