Question

A scientist extracts and measures the calcium content of one of your muscle fibers while you are asleep, when all of your muscles are relaxed. Where is the scientist likely to find calcium? (2 points) Select one: a. In the T-tubules b. In the sarcoplasmic reticulum c. Bound to tropomyosin d. Bound to troponin

Answer 1

My best answer would be A

Answer 2

The correct answer b. In the sarcoplasmic reticulum. (I got it right on my test)