The indirect ELISA test detects ______ in a patient's blood.
A.) antigen
B.) antibody
C.) microorganisms
D.) IgE only
E.) complement
B.) antibody
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The term saltatory propagation refers to the:
A. involvement of ions such as sodium and potassium in production of the action potential. B. ability of an action potential to "jump" from one node of Ranvier to the next. C. tendency of an action potential to move in one direction. D. All of the answer options are correct.
Which of the following is associated with the citric acid cycle?
a. ATP synthase b. FADH 2 c. oxygen d. ADP
Oysters generally settle at right angles to tidal currents. These currents:
a. carry food away from the oysters. b. clear sediments from the oysters. c. help them avoid oyster drills. d. deposit sediments among the oysters.
An animal that eats both plants and animals is
A. a herbivore. B. an omnivore. C. a carnivore. D. decomposer.