Most Signal Molecules

question 12

Multiple Choice

Most signal molecules:

• A) easily diffuse through the membrane and bind to a receptor in the cytoplasm.
• B) bind to membrane receptors and transmit information across a membrane without traversing the membrane.
• C) carry out functions in the nucleus after binding to a receptor in the cell membrane.
• D) A and C.
• E) A, B, and C.

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