3. Concerning skeletal muscle proteins: (a) Actin is the most abundant. (b) Myosin is the largest. (c) Myosin is the maj
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- 3 Concerning Skeletal Muscle Proteins A Actin Is The Most Abundant B Myosin Is The Largest C Myosin Is The Maj 1 (110.27 KiB) Viewed 14 times
thanks in advance.
3. Concerning skeletal muscle proteins: (a) Actin is the most abundant. (b) Myosin is the largest. (c) Myosin is the major constituent of thick filaments. (d) Titin is a key structural element of thin filaments. (e) Z proteins are formed from nebulin. 2+ 4. During skeletal muscle contraction: (a) Unfolding of actin strands exposes the myosin binding sites. (b) Ca2+ ions bind to troponin C. (c) ATP is required for successive actin-myosin interactions. (d) The myosin heads have ATPase activity. (e) Inorganic phosphate provides energy.