The function of the protein dystrophin a. is to enable calcium to be taken back

Question

The function of the protein dystrophin a. is to enable calcium to be taken back up into the sarcoplasmic reticulum at the end of contraction b. is to link the protein myosin to the Z-disc c. it is a receptor protein on the surface of the sarcolemma for acetylchline d. it links the actin proteins to Integral proteins of the sarcolemma e. is to bind to calcium and stimulate the tropomyosin protein to slide on the actin protein ATP is used in the process of muscle contraction for which functions listed below? a. detachment of myosin heads from actin b. attachment of myosin heads to actin c active transport of calcium back Into the sarcoplasmic reticulum by calcium pumps d. generation of the action potential along the sarcoplasm e. both a and c Which of the following regions of the sarcomere is extensible? a. the I-band b. the A-band c. the M-line d. the Z-disc e. both a and b Terminal cistema merge into which of the following structures within the muscle cell li

Explanation / Answer

41) d) it links the actin proteins to the integral proteins of the sarcolema

42) a) detachment of myosin head from actin

43) e) both a and b

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