Hey, can you check over my answers? Can you correct the ones that are wrong?

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Hey, can you check over my answers? Can you correct the onesthat are wrong?

Hey Can You Check Over My Answers Can You Correct The Ones That Are Wrong 1 (55.39 KiB) Viewed 29 times

Question 17 The following statement is true about a tumor suppressor gene mutation to induce cell division of a mammalian cell: OA. proto-oncogene product must have decreased activity. B. tumor suppressor gene product must lose activity. OC. tumor suppressor gene product must have an increased activity. 0.5 points OD. proto-oncogene must lose ability to express mRNA.

Question 18 Incidence of cancer in human increases with age suggesting that: OA. cancer is an infectious disease. B. multiple mutations are required to develop cancer. OC. cancer gene(s) cannot acquired in lifetime. D. none of the above are correct.

Question 19 Plasmids are important in biotechnology because they are: OA. a vehicle for the insertion of foreign genes into bacteria. B. recognition sites on recombinant DNA strands. OC. surfaces for protein synthesis in eukaryotic recombinants. OD. surfaces for respiratory processes in bacteria. OE. proviruses incorporated into the host DNA.

Question 20 What is the enzymatic function of restriction enzymes? A. to add new nucleotides to the growing strand of DNA B. to join nucleotides during replication OC. to join nucleotides during transcription OD. to cleave nucleic acids at specific sites O E. to repair breaks in sugar-phosphate backbones

Question 21 Bacteria containing recombinant plasmids are often identified by which process? OA. examining the cells with an electron microscope B. using radioactive tracers to locate the plasmids OC. exposing the bacteria to an antibiotic that kills cells lacking the plasmid D. removing the DNA of all cells in a culture to see which cells have plasmids 0.5 points OE. producing antibodies specific for each bacterium containing a recombinant plasmid

Question 22 OA. restriction enzymes Produces multiple identical copies of a gene for basic research or for large-scale production of a gene product OB. gene cloning OC. DNA ligase O OD. gel electrophoresis 0.5 points O E. reverse transcriptase Save Answer

Question 23 Separates molecules by movement due to size and electrical charge O A. restriction enzymes B. gene cloning OC. DNA ligase OD. gel electrophoresis E. reverse transcriptase

Question 24 Seals the sticky ends of restriction fragments to make recombinant DNA OA. restriction enzymes OB. gene cloning OC. DNA ligase OD. gel electrophoresis O E. reverse transcriptase