The concentration (or titer) of antibody to a specific antigen can be determined using a(n) ________ test.
A. hemagglutination
B. precipitation
C. complement fixation
D. agglutination
E. immunochromatographic
Answer: D
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Biological fitness is best defined as
A) A heritable trait that increases the match of an individual to its environment. B) Variability in the population for a trait that increases survival. C) Relative the ability of an individual to produce offspring that survive and reproduce. D) Competition among individuals for resources that allow them to have more offspring. E) Similar reproductive success among individuals in a population.
The hormone measured in a home pregnancy test is
A) progesterone. B) hCG. C) ADH. D) testosterone.
Which of the following is not involved in vasodilation or vasoconstriction?
a. hot or cold temperatures b. hormones c. oxygen supply d. nitric oxide e. angiotensin
The single most important factor that determines the distribution of life in the oceanic province is ________.
Fill in the blank(s) with the appropriate word(s).