AP BIOLOGY

ANIMAL PHYSIOLOGY

CHEMICAL SIGNALS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Types of molecules that relay the message from the membrane to the cytoplasm.
A
secondary messengers
B
ligand
C
kinases
D
phosphatases
Explanation: 

Detailed explanation-1: -Second messengers are small molecules and ions that relay signals received by cell-surface receptors to effector proteins.

Detailed explanation-2: -second messenger, molecule inside cells that acts to transmit signals from a receptor to a target.

Detailed explanation-3: -Signaling molecules are often called ligands, a general term for molecules that bind specifically to other molecules (such as receptors). The message carried by a ligand is often relayed through a chain of chemical messengers inside the cell.

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