Lipid-soluble ligand-receptor complexes trigger a cellular response by
A) changing the permeability of the plasma membrane.
B) activating an enzyme.
C) adhering to the surface of the plasma membrane.
D) altering the expression of a gene.
E) binding a G-protein and inducing the production of cAMP.

Question

Quizplus · Accepted Answer

Lipid-soluble ligands, such as steroid hormones, can cross the plasma membrane and bind to intracellular receptors. The ligand-receptor complex then often acts as a transcription factor, directly altering gene expression.

Lipid-Soluble Ligand-Receptor Complexes Trigger a Cellular Response by