Calcium ions bind to the ________ molecule in skeletal muscle cells
A) actin
B) tropomyosin
C) myosin
D) troponin
Ans: D) troponin
You might also like to view...
The sympathetic chain ganglion are located
A. Alongside the vertebral column from T1 through T2 regions. B. Alongside the vertebral column from cervical through sacral regions. C. Anterior to the spinal column in the abdominal cavity. D. Very close to the organ being innervated by the nerve.
The pyramidal system provides
A) voluntary control over skeletal muscles. B) voluntary control over smooth muscles. C) involuntary control over skeletal muscles. D) involuntary control over smooth muscles. E) involuntary control over cardiac muscle.
Which of the following electrocardiogram (EKG) waves represents atrial depolarization?
a) R wave b) T wave c) S wave d) P wave e) Q wave
Which type of reflex is associated with reciprocal inhibition?
A. Monosynaptic B. Stretch C. Withdrawal D. Patellar