Ions are transported across membranes using __________, which requires __________.
A)channel-mediated facilitated diffusion; kinetic energy
B)simple diffusion; kinetic energy
C)channel-mediated facilitated diffusion; ATP energy
D)carrier-mediated facilitated diffusion; ATP energy
A)channel-mediated facilitated diffusion; kinetic energy
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During vertebral ossification, the costal elements in the cervical region:
A) become part of the spinous processes. B) become part of the transverse processes. C) become part of the vertebral arch. D) never develop. E) degenerate.
Which bone is not part of the coxal bone?
a. sacrum b. pubis c. ischium d. ilium
An increase in the circulating number of ____ is associated with parasite infestations
a. neutrophils b. eosinophils c. basophils d. lymphocytes e. monocytes
In a negative feedback mechanism, which of the following events does not occur.
a. A stimulus is a change in some variable. b. A receptor perceives a stimulus. c. The control center sends output to an effector. d. The effector stimulates or increases the stimulus, so the cycle continues.