Which structure(s) would be subject to the lowest blood pressure?
Select one:
a. vena cava
b. aorta
c. atrioventricular valve
d. pulmonary arteries
e. semilunar valve
a. vena cava
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When communities of organisms interact with their physical environment they form a(n)
A. population. B. organism. C. community. D. ecosystem. E. macromolecular community.
The classification of a surgical wound as dirty refers to a:
a. lack of cleanliness of the surgical instru-ments. b. surgical wound in an emergency setting in which the cleansing protocol was not fol-lowed. c. surgical wound that has become grossly infected. d. large number of contaminating organisms at the wound site.
Insects that feed on plants without completely consuming them may be classified as
A) predators. B) parasites. C) hosts. D) mutualists. E) prey.
The process of bacterial transformation was discovered by __________ in __________
a. Frederick Griffith; 1928 b. Francis Crick; 1953 c. Martha Chase; 1952 d. Matthew Meselson; 1958 e. Rosalind Franklin; 1953