The membrane proteins that bind to a ligand and act in the body's chemical signaling system are ________.
Fill in the blank(s) with the appropriate word(s).
receptors
You might also like to view...
The enzyme acetylcholinesterase causes acetylcholine to
A) break down. B) synthesize. C) bond to actin. D) be secreted. E) form cross-bridges.
A cell is placed in a hypotonic solution. The cell will
a. lose water by diffusion b. gain water by osmosis c. lose water by exocytosis d. gain water by pinocytosis e. remain unchanged
Considering the life-history characteristics of most turtles, which of these approaches to conservation of a species of turtle is likely to be more effective, and why: protecting eggs and nests so that the hatchling turtles can reach the water or
protecting adult female turtles?
A predominance of which waves in an electroencephalogram (EEG) might indicate that a person is physically and mentally relaxed?
A) Gamma B) Alpha C) Beta D) Theta E) Delta