Foot proteins
A) span the gap between a lateral sac of the sarcoplasmic reticulum and the adjacent T tubule
B) are believed to serve as Ca2+ channels
C) bind to and pull the thin filaments inward toward the A band's center during muscle contraction
D) span the gap between a lateral sac of the sarcoplasmic reticulum and the adjacent T tubule, and are believed to serve as Ca2+ channels
E) none of these
Correct Answer:
Verified
Q31: The T tubules
A) store Ca2+
B) provide a
Q32: During a cross-bridge cycle in skeletal muscle,
Q33: During contraction of skeletal muscle fibers, the
A)
Q34: Sequence the following events involved in muscle
Q35: Binding of _ to myosin permits the
Q37: An action potential rapidly spreads to the
Q38: Which statement is incorrect about cross bridges?
A)
Q39: During excitation-contraction coupling,
A) The action potential travels
Q40: According to the sliding-filament mechanism, the
A) A
Q59: During an isometric contraction, the muscle
A)maintains a
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents