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

Biology & Microbiology

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The nutrient enrichment of an aquatic ecosystem is called ____

a. phosphorylation b. denitrification c. nitrification d. eutrophication e. ammonification

Biology & Microbiology

Treatment for Neisseria meningitidis consists of ________.

A. tetracycline B. vancomycin C. oral penicillin G D. rifampin E. intravenous penicillin G

Biology & Microbiology

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

Biology & Microbiology

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.

Biology & Microbiology