Molecules that serve as chemical signals to open or close gated ion channels are ________.
A) isotopes
B) ligands
C) responders
D) communicators
E) membrane potentials
Correct Answer:
Verified
Q18: The plasma membrane
A) separates the nucleus from
Q19: The structural and functional unit of all
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Q22: Which type of membrane proteins can catalyze
Q24: Cells that respond to ligands
A) possess receptor
Q25: Which type of attachment proteins attach cells
Q26: Which of the following is CORRECTLY matched
Q27: Which of the following is CORRECTLY matched
Q28: Which type of membrane proteins allow cells
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