Movement of a substance from an area of low concentration to an area of high concentration using energy obtained
from ATP is called ____.
a. passive transport
b. diffusion
c. facilitated transport
d. osmosis
e. active transport
ANSWER: e
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The presence of a hard chancre in primary syphilis is representative of the body's
A. intense inflammatory response. B. antibody response. C. rejection of the invaded tissue. D. septicemia due to infiltration of the organism.
Is it possible for a man with type O blood to be the father of a child with type A blood?
A. No B. Yes
Which is critical to polychaete and oligochaete locomotion?
a. jointed appendages b. parapodia c. tentacles d. setae e. fins
Which of the following is not a pair of homologous structures?
a) wing of a house fly and the eye of a dog b) tail of a cat and the tailbones in humans c) the antenna of a butterfly and the antenna of a moth d) the front leg of a horse and the flipper of a seal e) bird wing and the human hand