In producing a genomic library, human DNA and plasmid DNA must first be treated with:a
the same restriction enzyme.
b. different restriction enzymes.
c. the same DNA ligase.
d. different DNA ligases.
e. cosmid cloning vectors
A
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Differentiation of the pleomorphic strains of streptococci and the similar corynebacteria or lactobacilli can be best accomplished by:
a. examination of Gram stain of the colony. b. vancomycin-susceptibility testing. c. serologic testing. d. examination of the morphologic features after growth in thioglycollate broth.
Birds and mammals share which of the
following characteristics?
a. ectothermy b. air pocketed bones c. bladders d. four-chambered heart e. more than one of these
Animals tend to feed on prey that maximize their net energy intake. This is called the ________ theory.
A. maximal consumption B. optimization C. optimal foraging D. competitive exclusion
Which of the following is not a type of mRNA processing?
A. adding a cap B. splicing C. removing the introns D. adding a tail E. cleaving off the methionine