Which of the following statements regarding the shortening of a skeletal-muscle fiber is not true? When a skeletal-muscle fiber shortens,the
A) Sarcomeres shorten
B) Distance between Z lines decreases
C) Myofilaments shorten
D) Myofilaments slide past each other
E) Length of the A bands remains the same
Correct Answer:
Verified
Q1: Rigor mortis is caused by
A)Buildup of lactic
Q2: During an isometric contraction of a skeletal
Q3: During isotonic contraction of a skeletal-muscle fiber
Q4: Curare
A)Is an autoimmune disease
B)Blocks acetylcholinesterase
C)Is a muscarinic
Q6: In skeletal muscle,calcium facilitates contraction by binding
Q7: Myasthenia gravis is an autoimmune disease -
Q8: A myofibril is
A)A skeletal-muscle cell
B)Composed of filaments
C)Composed
Q9: Rigor mortis occurs in a dead person
Q10: Which of the following statements regarding the
Q11: Thick filaments in skeletal muscle are composed
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