Skeletal Muscle Structure Duration: (3:34) User: greatpacificmedia - Added: 10/2
ID: 3483641 • Letter: S
Question
Skeletal Muscle Structure Duration: (3:34) User: greatpacificmedia - Added: 10/24/09 Complete the following sentences based on the video above. 1. An individual muscle cell is called a 2. Each individual myofibril is surrounded by 3. Extension of the cell membrane, called tubules, come very close to portions of the sarcoplasmic reticulum. 4. Subunits of the myofibril are called 5. Accessory proteins, namely troponin and tropomyosin, crossbridges from prevent the connecting to filaments. of the thinExplanation / Answer
ANS 1) An individual muscle cell is called the Myocyte
ANS 2) Each individual myofibril is surrounded by Endomysium
ANS 3) Extension of the cell membrane called T (Transverse) tubules, come very close to portions of the sacroplasmic recticulum.
ANS 4) Subunits of the myofibril are called Sarcomeres
ANS 5) Accesorry proteins, namely troponin and tropomyosin prevent the ATP crossbridges from connecting to Actin of the thin filaments.