Which incorrectly describes what happens during skeletal muscle contraction?
A)The width of the A band remains constant.
B)The H zone disappears.
C)The Z discs of a sarcomere move farther apart.
D)The sarcomere narrows.
E)The I bands narrow.

Question

Quizplus · Accepted Answer

During skeletal muscle contraction, the Z discs of a sarcomere move closer together, not farther apart. This is because the sarcomere shortens as the muscle contracts, pulling the Z discs towards each other.

Which Incorrectly Describes What Happens During Skeletal Muscle Contraction