The protein Sonic Hedgehog (SHH) plays a role in specifying the identity of digits (such as fingers,etc. ) in mammals.Several digits arise directly from cells that both express and respond to secreted SHH.In this case,SHH is acting as
A) a direct contact signal.
B) an endocrine signal.
C) a paracrine signal.
D) an autocrine signal.
Correct Answer:
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Q45: You have identified a novel cytoplasmic protein.Sequence
Q46: A mutation in the DNA binding domain
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Q49: Which of the following proteins phosphorylates MAP
Q50: Short-lived,causing local effects.
A)paracrine signaling
B)direct contact
C)endocrine signaling
D)synaptic signaling
Q51: You are studying the effect of a
Q52: Short lived;used by nerve cells.
A)paracrine signaling
B)direct contact
C)endocrine
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