Among the factors that influence cell membrane permeability are
A. molecule size.
B. phospholipid composition of the membrane.
C. ionic charge along the membrane.
D. presence or absence of transport proteins.
E. All of the choices are correct.
Answer: E
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A) sickle cell anemia (SCA) B) polycythemia C) anemia D) leukocytosis E) leukopenia
The gluteal region is commonly known as the
A. groin. B. buttock. C. breastbone. D. upper arm. E. naval.
For some patients with ________ lung volume reduction surgery can be a useful treatment.
A. black lung B. pulmonary fibrosis C. asthma D. emphysema
Through which vessel is the velocity of blood flow the slowest?
a. aorta b. arterioles c. capillaries d. venules e. veins