a. Diagram a sarcomere (either by hand/drawing or in a graphics program if you prefer; use...

a. Diagram a sarcomere (either by hand/drawing or in a graphics program if you prefer; use the figures from the reading and videos to guide you but don’t turn in a professionally constructed diagram; generate something on your own). Label key features, including at least: actin, myosin; transverse tubules; sarcoplasmic reticulum; Z-line. (this diagram need not be a perfect representation or of artistic quality – just outline your thinking)

b. Describe the function of each of the following components (i.e. what is their role in muscle contraction?):

1) actin
2) actin active site
3) myosin & myosin head
4) sarcoplasmic reticulum
5) transverse (T) tubule
6) calcium ions.

c. What process limits the speed at which a muscle can relax after contraction?

Expert Solution

Sydney Mullin answered 1 year ago

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