In which of the following types of organisms would you expect to find a contractile vacuole?
a. sea coral
b. lymphocyte
c. amoeba
d. planaria
c. amoeba
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For a gene with two alternative alleles, A (with a frequency of p) and B (with a frequency of q), the term in the algebraic form of the Hardy-Weinberg equilibrium for the heterozygote genotype frequency is
A. p2. B. q2. C. 2pq. D. (p+q)2. E. 2Aa.
Family, twin, and adoption studies have revealed a(n) _____________________ component to mental illnesses, such
as bipolar disorder. Fill in the blank(s) with the appropriate word(s).
Placental mammals that are predacious meat eaters with large and conical-shaped canines are
A. chiroptera. B. proboscidea. C. cetaceans. D. carnivores.
Which term refers to media that contain water, organic carbon sources, and salts, but no extra nutritional components?
a. nutritious media b. complete media c. minimal media d. agar media