The areas near the Z lines that contain only thin filaments are ________.
A) None of the listed responses is correct.
B) A bands
C) zones of overlap
D) I bands

Question

Quizplus · Accepted Answer

The I bands are the areas of the sarcomere that contain only thin filaments, so choice D is the correct answer. A bands contain both thick and thin filaments, zones of overlap contain both thick and thin filaments, and none of the listed responses is correct.

The Areas near the Z Lines That Contain Only Thin