If cells are placed in a hypertonic solution containing a solute to which the membrane is impermeable, what could happen?
A) The cells will swell and ultimately burst.
B) The cells will lose water and shrink.
C) The cells will shrink at first, but will later reach equilibrium with the surrounding solution and return to their original condition.
D) The cells will show no change due to diffusion of both solute and solvent.
B) The cells will lose water and shrink.
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The blood vessel that supplies blood to the liver, stomach, and spleen is the
A) celiac artery. B) inferior mesenteric vein. C) hepatic portal vein. D) gastric vein. E) superior mesenteric artery.
Class I MHC glycoproteins, which are recognized by helper (CD6+) T cells, are restricted to the surface of a few special types of immune cells
a. True b. False Indicate whether the statement is true or false
Which of the following inserts on the base of the occipital bone?
A) longus capitis B) longus colli C) quadrates lumborum D) spinalis cervicis
The enzyme that catalyzes the first step reaction in HCl production by gastric parietal cells is called ________.
A. dipeptidase B. carbonic acid C. protease D. ATPase E. carbonic anhydrase