20. The image above reveals two bacterial cells in the process of A. cell lysis B. transduction C. conjugation D. transformation D. transformation E. budding

36. In the cell depicted in the picture, the ribosome is labeled b. c. d. 37. A gene mutation is none of these b. may orise spontaneously. a change in the nucleotide sequence of DNA. is is all of these. e. moy be caused by environmental agents. c. d. 1P BDACE

13.    In bacteria, mismatch repair involves:A.    DNA glycosylase/lyaseB.    AP endonucleaseC.    RecA and LexA proteinsD.    MutS, MutL and MutH proteinsE.    UvrABC proteins 14. _______ involves an exchange of DNA between two interacting DNA molecules.A.    TransferenceB.    TranspositionC.    Crossing overD.    InductionE.    None of the above 15.    The bacterial core polymerase has two functions: 5' to 3' polymerase activity and _________________ activity.A.    5' to 3' exonucleaseB.    3' to 5' polymerase C.    3' to 5' exonuclease D.    topoisomeraseE.    none of the above

9. During replication, what protein is responsible for the synthesis of a short ribonucleotide sequence? A. A helicase B. A DNA polymerase C. A primase D. A topoisomerase E. A ribosome

12.  Penicillin only works on actively dividing bacterial cells because:  a. it inhibits peptidoglycan (PG) synthesis   b. it inhibits LPS synthesis  c. it is no longer is effective against RNA and translation  d. a & b  e. a & c

1. Describe and list the steps involved in DNA replication. 2. Create a timeline of transcribing events. 3. Outline the steps of the translation process. 4. Describe the mechanism of action of antibiotics that target the protein synthesis process.

16) The RNA dependent DNA enzyme: a. Is found in the mature hepatitis D virus. b. Is found in the mature hepatitis C virus. c. The end product of this enzyme is ssDNA d. This enzyme acts in the nucleus of the affected cell

35. Which of the following statement relating to the cell nucleus is inaccurate?  a. all body cells are nucleated b. the nuclear envelope is a non-porous double-layered membrane c. contains nucleoli that are involved in tRNA synthesis d. a and b e. a, b, and c

78) The 2009 Human H1N1 virus is the result of a recombination event that a. Happened two times b. Happened between swine, human and avian influenza viruses, c. Happened four times d. Happened between swine and human influenza viruses

10. What would be the result if a cell failed to express a functional signal peptidase enzyme? a. It would be unable to import proteins into the nucleus  b. It would be unable to export proteins out of the nucleus  c. It would be unable to synthesize any proteins d. It would be unable to secrete proteins e. Both a and b are correct answers