Lysozyme is an enzyme that specifically recognizes bacterial polysaccharides, which renders it an effective antibacterial agent. Into what classification of enzymes does lysozyme fall?
(a) isomerase
(b) protease
(c) nuclease
(d) hydrolase
(d)
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The production of second messengers in signal transduction offers at least two advantages, speed and
A. specificity. B. amplification. C. one-to-one stochiometry. D. reversibility. E. affinity.
Biotic potential is controlled by all of the following
factors EXCEPT a. the age of individuals within the population. b. the resources available for each individual. c. fecundity rate. d. environmental disturbances. e. all of these control biotic potential.
When a cell forms an amino acid by adding an amine group derived from ammonia to a precursor metabolite, this process is called
A) amination. B) transamination. C) reduction. D) polymerization. E) deamination.
If Argus fell into the waters around Labrador (temperature 1°C, or 34°F), what reaction is most likely to happen?
A) increased blood flow to hands B) sweating C) dilation of the blood vessels of the dermis D) piloerection