Question: Which Statement Is NOT True Of Events Leading To Muscle Contraction? A. Acetylcholine Is Release Into The Synaptic Cleft By The Synaptic Bulb. B. Action Potentials Are Channeled To Propagate Along T-tubules. C. Calcium Ions Are Released From The Sarcoplasmic Reticulum Over The Z Disc. D. Calcium Ions Bind To The Troponin-tropomyosin Complex On The Actin …

Question: Which Statement Is NOT True Of Events Leading To Muscle Contraction? A. Acetylcholine Is Release Into The Synaptic Cleft By The Synaptic Bulb. B. Action Potentials Are Channeled To Propagate Along T-tubules. C. Calcium Ions Are Released From The Sarcoplasmic Reticulum Over The Z Disc. D. Calcium Ions Bind To The Troponin-tropomyosin Complex On The Actin …

Which statement is NOT true of events leading to musclecontraction?

a. Acetylcholine is release into the synaptic cleft by thesynaptic bulb.

b. Action potentials are channeled to propagate alongT-tubules.

c. Calcium ions are released from the sarcoplasmic reticulumover the Z disc.

d. Calcium ions bind to the troponin-tropomyosin complex on theactin exposing the myosin binding sites

e. Cross-bridges form and myosin heads pull actin towards thecenter of the sarcomere.