A Cell Secretes a Growth Factor That Binds to Receptors

question 7

Multiple Choice

A cell secretes a growth factor that binds to receptors on neighboring cells causing them to proliferate.This is an example of

• A)paracrine signaling.
• B)direct intercellular signaling.
• C)endocrine signaling.
• D)contact-dependent signaling.
• E)autocrine signaling.

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