Which of the following is an accurate comparison of skeletal muscle to smooth muscle?
A) Smooth muscle contracts and relaxes more slowly.
B) Smooth muscle depends on a nerve fiber to supply the calcium needed for contraction.
C) Smooth muscle contracts more rapidly but relaxes more slowly.
D) Smooth muscle consumes more ATP to maintain a given level of muscle tension.
E) Smooth muscle contracts more slowly but relaxes more rapidly.
A
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Most mammals, including humans and giraffes, have ________ cervical vertebrae
A) 11 B) 6 C) 7 D) 19 E) 10
The spinal cord consists of four regions and ________ pairs of spinal nerves
A) five B) twelve C) twenty-five D) thirty-one E) The number varies widely among individuals.
When a protein of 50 nanometers is mixed with water, the opaque result is called a(n)
?A. suspension.?B. emulsion.?C. solution.?D. colloid.
Dr. Jagasia informs a patient they have fractured the most anterior part of their vertebra. Which part is most likely affected?
A. body B. lamina C. spinous process D. transverse process E. vertebral arch