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Among the following,which is the broadest measure of stock prices in the United States?
Voltage-Gated Channels
Protein channels in cell membranes that open or close in response to changes in membrane potential, crucial for nerve impulse transmission.
Receptor Proteins
Proteins on the surface of cells that bind to specific molecules, initiating a biological response.
Chemical Signal Molecules
Substances released by cells that transmit messages to other parts of the body to initiate, amplify, or inhibit biological processes.
Enzymes
Biological molecules that act as catalysts to speed up chemical reactions in living organisms, crucial for metabolic processes.
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