Solved

Match Each Molecular Mechanism with the Stage of Midline Crossing

Question 34

Matching

Match each molecular mechanism with the stage of midline crossing by vertebrate commissural axons.? may be used more than once.

Premises:
Axons approach the midline
Axons leave the midline
Axons cross the midline
Axons turn anteriorly
Responses:
Fz3 mediates attraction towards Wnt4
Shh potentiates Sema3A signaling
DCC mediates attraction towards netrin
Slit promotes binding of Robo to DCC

Correct Answer:

Axons approach the midline
Axons leave the midline
Axons cross the midline
Axons turn anteriorly
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