What Type of Hormone Can Cross the Plasma Membrane to Bind

Question

What type of hormone can cross the plasma membrane to bind to a receptor in the cytosol or nucleus?
A)amine hormones
B)hydrophilic hormones
C)protein hormones
D)hydrophobic hormones

Accepted Answer

Hydrophobic hormones, such as steroid hormones and thyroid hormones, are able to cross the plasma membrane because they are lipid soluble. Once inside the cell, they can bind to receptors in the cytosol or nucleus to initiate gene expression.