Microbio Midterm 2

  1. Which epidemic is not virus borne?

    E) bubonic plague
  2. An icosahedral capsid has how many sides?
  3. Viruses may be classified by the _______ method
  4. So far, the known mechanisms of replication and mRNA expression define how many fundamental groups of virus species?
  5. The period of time when virions are virtually undetectable inside the infected cell is the ______
    Eclipse Period
  6. Which form of control is the least reversible and most drastic?

    C) alterations of DNA sequence
  7. Which is the favored carbon source of E. coli? 
  8. Transcriptional attenuation is a common regulatory strategy used to control many operons that code for what?
    Amino acid biosynthesis
  9. Which of the following is not true of phase variation?

    B) it only occurs in prokaryotes
  10. Integrated circuits can:

    E) all of the above
  11. Which of the following is a useful reporter gene?

    C) lacZ
  12. At what level can a cell regulate production of a protein?

    D) all of the above
  13. Which of the following statements is false with respect to reporter fusions?

    B) all are true
  14. Which of the following techniques would be used to monitor changes in mRNA levels?

    A) Northern blot
  15. Which technique would be used to monitor changes in protein levels?
    Western blot
  16. In the western blot procedure, proteins are transferred from the gel to a ____ 
    Polyvinylidine fluoride (PVDF) membrane
  17. The organism producing an insecticidal protein is _____
    Bacillus thurigiensis
  18. Which metabolism is thought to be absent in the 1st cells?
    Aerobic Respiration
  19. Which is correct nomenclature of ESCHERICHIA COLI?
    Escherichia coli
  20. The description of distinct life forms and their organization into different categories is called ______
  21. Which of the following would not be a good choice to use as a molecular clock to compare the 3 domains?

    D) chloroplast proteins
  22. Which of the following scientists is responsible for defining the Archaea as a 3rd domain?

    B) Carl Woese
  23. Which of the following does not typically contribute to horizontal gene transfer?

    E) genome replication
  24. Fungi grow hyphae with cell walls of _____
  25. Sets of genes in operons are coordinately regulated by which of the following?

    E) all of the above
  26. If a gene is always expressed, it is ______
  27. Which phyla produces what are called "true" mushrooms?
  28. T or F: All 3 gene products of the lac operon are required for the utilization of lactose to occur
  29. T or F: Fossil stromatolites are among the earliest forms of life on Earth
  30. T or F: Some yeasts can undergoes alt. of generations
Card Set
Microbio Midterm 2
Microbio Midterm 2 Questions