Following treatment with restriction enzymes, what procedure would be used to separate DNA fragments of different lengths?
A. Transformation.
B. Gel electrophoresis.
C. Polymerase chain reaction.
D. Microarray analysis.
B. Gel electrophoresis.
Biology & Microbiology
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At what depth would water pressure be 4 times greater than atmospheric pressure at the surface?
a. 10 meters b. 20 meters c. 30 meters d. 40 meters e. 50 meters
Biology & Microbiology
In response to a high fat content in chyme, the duodenum releases ____
a. gastrin b. somatostatin c. CCK d. secretin e. GIP
Biology & Microbiology
Urochordates are odd chordates, as typically only the ____ show(s) the basic chordate characteristics
a. head end b. tail end c. adult d. larva e. egg
Biology & Microbiology
Which of the following is an organic chemical water pollutant?
A. cyanide B. pesticides C. heavy metals D. chloride ions
Biology & Microbiology