You want to determine whether a person has a certain mutant gene. The process involves using restriction enzymes and a heat-stable DNA polymerase obtained from a thermophilic bacterium to amplify many copies of the gene. This process is
a. gel electrophoresis.
b. shuttling vectors.
c. PCR.
d. site-directed mutagenesis.
Ans: c. PCR.
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Some microbial proteins are spliced after translation in a reaction that results in removal of one or more internal intervening sequences called exteins.
Answer the following statement true (T) or false (F)
Most archaeal mRNAs like those of eukaryotes are spliced.
Answer the following statement true (T) or false (F)
Triglycerides are
a. carbohydrates. b. nucleotides. c. proteins. d. neutral fats. e. amino acids
Research on the aging process shows that wounds of the elderly heal more slowly and that they are more susceptible to disease. These are problems associated with an aging ________ system
A) respiratory B) immune C) integumentary D) digestive E) endocrine