Micro 1 chp 8 Quiz

  1. Repair of damaged DNA might be viewed as a race between an endonuclease and...




    C. methylase
  2. Conjugation differs from reproduction because conjugation...




    C.
  3. Synthesis of a repressible enzyme is stopped by...




    D.
  4. Which of the following is not a product of transcription?  




    C.
  5. The mechanism by which the presence of glucose inhibits the arabinose operon is




    E.
  6. In transcription,




    C.
  7. The damage caused by ultraviolet radiation is...




    C.
  8. Which of the following proteins are not coded for by genes carried on plasmids? 




    D.
  9. A gene is best defined as 




    E.
  10. An enzyme that copies DNA to make a molecule of RNA is




    C.
  11. Which of the following is not true of a bacterium that is R+?  




    B.
  12. An enzyme that cuts double-stranded DNA at specific nucleotide sequences 




    B.
  13. According to the operon model, for the synthesis of an inducible enzyme to occur, the ..




    E.
  14. Transformation is transfer of DNA from a donor to a recipient cell  




    E.
  15. Which of the following statements is false? 




    A.
  16. The lac operon  




    D.
  17. The initial effect of ionizing radiation on a cell is that it causes   




    D.
  18. An enzyme produced in response to the presence of a substrate is called  




    E.
  19. When glucose is high, cAMP is ________ : CAP ________ bind the lac operator, and RNA polymerase ________ bind the lac promoter. 




    A.
  20. Protein synthesis in eukaryotes is similar to the process in prokaryotes in that both eukaryotes and prokaryotes 




    B.
  21. All of the following are true about bacteriocins except 




    D.
  22. Assume the two E.coli strains shown below are allowed to conjugate. What supplements would you add to glucose minimal salts agar to select for a recombinant cell that is lys+, arg+, amp-resistant? 





    B.
  23. If you knew the sequence of nucleotides within a gene, which one of the following could you determine with the most accuracy?  




    C.
  24. The necessary ingredients for DNA synthesis can be mixed together in a test tube. The DNA polymerase is from Thermus aquaticus, and the template is from a human cell. The DNA synthesized would be most similar to 




    B.
  25. Genetic change in bacteria can be brought about by   




    C.
  26. Which of the following is not a product of transcription? 




    B.
  27. A cell that cannot make tRNA




    D.
Author
Alf
ID
353753
Card Set
Micro 1 chp 8 Quiz
Description
operators, biotech
Updated