If one wishes to clone a gene using typical restriction endonucleases, how does the restriction endonuclease identify the appropriate cut sites in the genome?
A) The endonuclease identifies its specific recognition sequence.
B) The endonuclease cuts randomly in the genome.
C) The endonuclease recognizes the gene of interest.
D) The endonuclease cannot identify the cut sites.
Answer: A
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The binding of tryptophan to the Trp repressor protein results in:
A. the dissociation of the repressor from the operator sequence. B. a conformational change in the repressor that allows the repressor to bind the operator. C. the recruitment of RNA polymerase. D. an increase in the expression of tryptophan biosynthetic enzymes.
Bacteria readily develop immunity to many forms of antibiotics
Indicate whether the statement is true or false.
Parenchyma, collenchyma, and sclerenchyma are classified as tissues in the:a
dermal tissue system. b. vascular tissue system. c. ground tissue system. d. primary tissue system. e. secondary tissue system.
Traditions, beliefs, and values are considered what aspect of human life?
A. cultural B. communicative C. biological D. instructional E. chemical