Nephrons are found in ____
a. annelids
b. mammals
c. flatworms
d. insects
e. adult mollusks
ANSWER: b
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For a gene with two alternative alleles, B and b, the term q2 in the Hardy-Weinberg equation represents
A. the frequency of the B allele. B. the frequency of the bb genotype. C. the total number of individuals in the population. D. the total number of alleles for that gene in the population. E. the frequency of the Bb genotype.
If short hair (L) is dominant to long hair (l), then to determine the genotype of a short-haired animal it
should be crossed with a. LL. b. Ll. c. ll. d. all of these. e. none of these.
The parasitic disease, caused by an apicomplexan that involves infected cats in its life cycle is
A. cyclosporiasis. B. toxoplasmosis. C. babesiosis. D. cryptosporidiosis. E. None of the choices are correct.
The disease known as dengue hemorrhagic fever is actually
A) a hyperimmune response to reinfection with the dengue virus. B) an immediate immune reaction to the initial infection with the dengue virus. C) an antibody-antigen complex reaction. D) the result of co-infection with other arboviruses. E) the chronic carrier state of the dengue virus.