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TRUE/FALSE 1.Skeletal muscle cells contain intracellular contractile proteins, including troponin and

Question : TRUE/FALSE 1.Skeletal muscle cells contain intracellular contractile proteins, including troponin and : 1417090

 

TRUE/FALSE

1.Skeletal muscle cells contain intracellular contractile proteins, including troponin and tropomyosin.

2.All skeletal muscles are attached to the skeleton.

3.Skeletal muscle fibers are formed during embryonic development by the fusion of many smaller cells.

4.A single muscle cell is known as a myofibril.

5.The H zone of the sarcomere consists of myosin but does not contain actin.

6.The M line is formed by a flattened disc-like cytoskeletal protein that connects the thin filaments of two adjoining sarcomeres.

7.Thin and thick filaments overlap in the A band.

8.The thick filaments in a sarcomere contain cross bridges.

9.Myosin is considered to be a regulatory protein because it plays an important role in the regulation of muscle contraction.

10.Tropomyosin covers the cross bridge binding sites on the thick filaments when a sarcomere is not contracting.

 

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