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

Anatomy & Physiology

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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.

Anatomy & Physiology

An increase in the circulating number of ____ is associated with parasite infestations

a. neutrophils b. eosinophils c. basophils d. lymphocytes e. monocytes

Anatomy & Physiology

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.

Anatomy & Physiology

Which bone is not part of the coxal bone?

a. sacrum b. pubis c. ischium d. ilium

Anatomy & Physiology