The enzyme used for the mapping of hypersensitive sites in recombinant DNA research is?
A. DNA ligase
B. DNA polymerase I
C. DNase I
D. Polynucleotide kinase
Which of the following is true regarding Okazaki fragment?
A. Are segments of RNA attached to an RNA initiator component
B. Are related to the leading strand
C. Several Okazaki fragments
The most widely used method for determining the purity of a protein is?
A. Isoelectric focusing
B. Polyacrylamide gel electrophoresis
C. Ion exchange chromatography
D. High pressure chromatography
The enzyme catalyzing the production of orotidylic acid is?
A. Dihydro orotase
B. Aspartyl transcarbamoylase
C. Dihydro orotate dehydrogenase
D. Orotate phosphoribosyl transferase
Azaserine inhibits?
A. Glycinamide ribonucleotide synthetase
B. Glycinamide ribonucleotide transformylase
C. Formyl glycinamide ribonucleotide amidotransferase
D. Inosine monophosphate synthase
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