Which medium can be described as containing crystal violet dye to inhibit the growth of gram-positive bacteria and fungi and allows many types of gram-negative bacilli to grow?
a. Thayer-Martin agar
b. MacConkey agar
c. PEA
d. Hektoen enteric agar
B
MacConkey agar contains crystal violet dye to inhibit the growth of gram-positive bacteria and fungi and allows many types of gram-negative bacilli to grow.
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A(n) __________ property is a characteristic of a
system that does not appear in any of its component parts. a. efferent b. emergent c. elective d. energetic e. living
Which of the following has a complex sort of sexual
reproduction called conjugation? a. ciliates b. Plasmodium c. trypanosomes d. slime molds e. euglenoids
The Hardy-Weinberg equilibrium principle is often referred to as the ________, [two words] which indicates that if a population is in Hardy-Weinberg equilibrium, that population is not evolving
Fill in the blank(s) with correct word
Which statement about complementary base pairing is not true?
a. Complementary base pairing plays a role in DNA replication. b. In DNA, T pairs with A. c. Purines pair with purines, and pyrimidines pair with pyrimidines. d. In DNA, C pairs with G. e. The base pairs are of equal length.