Multiple Choice
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:
Verified
Correct Answer:
Verified
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