Question

7. Why is RNA less stable than DNA? b) it is subject to hydrolysis at high pH a) it is subject to hydrolysis at low pH it is subject to degradation by nucleases d) both a and c are reasons e) both b and c are reasons 8. Which of the following are NOT types of DNA damage? a) deamination b) depurination c) oxidative damage e) depyrimidination d) alkylation 9. What is the role of restriction endonucleases in molecular cloning? a) to favor the formation of hydrogen bonds in the recombinant plasmicd b) to catalyze the polymerization of the recombinant gene c) to create sticky ends for the insertion of the gene of interest d) to catalyze the formation of a phosphodiester bond between the cloning vector and the inserted gene e) to provide substrates for DNA polymerase 10. Which noncovalent interactions can form between two fatty acids? a) hydrogen bonding c) van der Waals d) hydrophobic 11. Which of the following are advantages to molecular cloning? a) a protein from a pathogenic organism can be obtained through safer means e) A through D b) large amounts of protein can be expressed using an operon c) a gene can be amplified to a large degree through the polymerase chain reaction d) both A and B are advantages e) A through C are advantages r. Kevin Francis