Multiple Choice
Which of the following are common means by which binding of an intercellular chemical messenger with a cell's receptor brings about an intracellular response?
A) Opening or closing of specific ionic channels in the plasma membrane
B) Activation of an intracellular second-messenger system
C) Promoting or inhibiting the transcription of genes that code for the synthesis of cellular proteins
D) Both opening or closing of specific ionic channels in the plasma membrane and activation of an intracellular second-messenger system are correct
E) All of the choices are correct
Correct Answer:
Verified
Correct Answer:
Verified
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