It Originates From Actions On The Outside
a: Second messenger ~
b: a signal molecule in the cytoplasm
What: "Second messenger is created inside the cell from receptor protein. When it triggers (activate), the second messenger is like a signal molecule in the cytoplasm. The second messenger can function the cell in different ways by activating enzymes, activating a series of biochemical reactions in the cell and change the permeability of the cell by opening the ion channels."
Date: May 14 2013 3:25 PM
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