One function provided by cell membranes is ____
a. the free passage of materials into and out of the cell
b. the exclusion of nucleic acids
c. structural integrity
d. protection from parasitic genetic information
e. to counteract size restrictions
ANSWER: d
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In the human systemic circuit, blood will pass through all but which of the following?
a. liver b. limbs c. lungs d. digestive organs e. brain
Which hormone is secreted by the adrenal cortex?
a. ADH b. renin c. angiotensin I d. angiotensin II e. aldosterone
Which of the following is NOT usually present during the icteric stage of viral hepatitis?
a. Hepatomegaly b. Elevated serum liver enzymes c. Esophageal varices d. Lighter-colored stools
Part of a chromosome breaks away and attaches to a nonhomologous chromosome
a. Crossing-over b. Inversion c. Translocation d. Nondisjunction e. Deletion