In terms of regulation of gene expression, tryptophan and allolactose are examples of ________ molecules
A) repressor
B) effector
C) inducer
D) operator
E) terminator
B
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The nutrient enrichment of an aquatic ecosystem is called ____
a. phosphorylation b. denitrification c. nitrification d. eutrophication e. ammonification
Treatment for Neisseria meningitidis consists of ________.
A. tetracycline B. vancomycin C. oral penicillin G D. rifampin E. intravenous penicillin G
Which one of the following is the lowest level of biological organization in which evolutionary change can occur?
A) cell B) organism C) community D) population
An example of both chemical protection and coevolution can be seen in:
a. yellow goldenrod spiders and goldenrod. b. milkweeds and monarch caterpillars. c. the poison arrow frog and flying insects. d. coral animals and dinoflagellates. e. mycorrhizae.