An example of an involuntary response would be:
A. secretion of saliva.
B. sighing.
C. heart rate.
D. both secretion of saliva and heart rate.
D
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True or false: Regardless of the amino acid to be added to a tRNA molecule, all tRNA molecules use the same sequence at their 3' end to serve as the amino acid attachment site
A. true B. false
Campylobacter spp. can sometimes be detected by direct Gram-stain examination of fecal sample, which would reveal many:
a. large, faintly staining gram-negative ba-cilli. b. small curved or seagull-winged gram-negative bacilli. c. small gram-negative coccobacilli. d. plump, faintly staining gram-negative ba-cilli.
Which method of heat exchange occurs when sun transfers heat to skin?
a. conduction b. convection c. radiation d. evaporation
Which vector would be best to use if you want to construct a genomic library with the largest fragments possible?
A) YAC B) BAC C) Plasmid D) Virus