What does one call a mutation that occurs in a DNA sequence that changes the amino acid specified by that sequence?
What will be an ideal response?
nonsynonymous or replacement substitution
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Campylobacter jejuni is transmitted to humans by all of the following EXCEPT
A. anal-oral sexual activity. B. insect vectors. C. contaminated food and water. D. infected animals.
The principal mineralocorticoid is:
a. ADH. b. epinephrine. c. growth hormone. d. aldosterone. e. ACTH.
Which of the following is incorrectly paired?
A) sexual selection: mating based on phenotype B) bottleneck effect: changes in allele frequencies due to chance events C) gene flow: genes move from one population to another D) founder effect: only a small portion of an original population's gene pool are represented
The Reference Method for Broth Dilution Antifungal Susceptibility Testing of Filamentous Fungi; Approved Standard (M38-A2) describes the guidelines for antifungal susceptibility test-ing for molds. The suspension must be standardized with a spectrophotometer. Susceptibility testing is determined by which method?
a. Disk diffusion b. Microdilution c. Broth dilution d. Immunodiffusion