Within a Resting Skeletal Muscle Fiber,where Is the Greatest Concentration

question 69

Multiple Choice

Within a resting skeletal muscle fiber,where is the greatest concentration of Ca²⁺?

• A)zone of overlap of the sarcomere
• B)Z lines between adjacent sarcomeres
• C)terminal cisternae of the sarcoplasmic reticulum
• D)inside the transverse tubules
• E)bound to troponin

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