Fruit flies carrying the shaker mutation have motor neurons with an abnormally long action potential because of:
A)a defect in the Na⁺/K⁺ pump.
B)a defect in voltage-gated Na⁺ channels.
C)a defect in non-voltage-gated K⁺ channels.
D)a defect in voltage-gated K⁺ channels.

Question

Quizplus · Accepted Answer

The shaker mutation affects voltage-gated K⁺ channels in motor neurons, leading to an abnormally long action potential.

Fruit Flies Carrying the Shaker Mutation Have Motor Neurons with an Abnormally