The intracellular effector in chemical signaling is often
A) a hormone.
B) a membrane receptor molecule.
C) ATP.
D) a protein kinase.
E) cholesterol.

Question

Quizplus · Accepted Answer

Protein kinases are enzymes that are responsible for phosphorylating other proteins, and are often the intracellular effectors in chemical signaling pathways.

Answer: A
 Hormones can act as intracellular effectors by binding to intracellular receptors, leading to changes in gene expression and cellular processes.

The Intracellular Effector in Chemical Signaling Is Often