The ________ is an organelle that wraps and surrounds the myofibril and stores calcium.

Question

Quizplus · Accepted Answer

The sarcoplasmic reticulum wraps and surrounds the myofibril and is responsible for storing and releasing calcium ions during muscle contraction. The cross bridge refers to the binding of myosin and actin filaments during muscle contraction, the sarcomere is the basic unit of contraction within a muscle fiber, and the sarcolemma is the membrane surrounding the muscle fiber.

The ________ Is an Organelle That Wraps and Surrounds the Myofibril