10. Cell Signaling
Types of Cell Signaling
Multiple Choice
Multiple ChoiceThe binding of a signal molecule to a ligand-gated ion channel __________.
A
causes the ion channel to phosphorylate an amino acid on a target molecule
B
results in the formation of ion-channel dimers
C
promotes the binding of a steroid hormone to its receptor in the cytoplasm
D
alters the expression of genes, especially in neurons
E
affects the membrane potential
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