AS Q04 I hour

AS Q04 I hour - b. recognize the promoter region on DNA for...

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CH357 Introduction to Microbiology Cadet ________________________ Quiz 4 30 points I hour Academic term 2008-1 (6) 1. Where and when do the three initiation factors bind to initiate translation? The factors bind to the small subunit to start transcription. (6) 2. In one sentence describe what is meant by horizontal gene transfer. Genes can be transferred between organisms by means other than reproduction. (4) 3. Which of the following are required for termination of protein synthesis? a. release factors b. elongation factors c. initiation factors d. all of the above (4) 4. The purpose of the sigma factor is to a. initiate thermo-nuclear war.
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Unformatted text preview: b. recognize the promoter region on DNA for transcription to start. c. properly align the mRNA to the ribosome. d. properly align the DNA polymerase to the DNA. (9) 5. Correct the following sentence. During RNA synthesis, RNA polymerase opens the DNA strand which allows DNA polymerase to start adding DNA nucleotides to the 3 end of an existing strand. During RNA synthesis, RNA polymerase opens the DNA strand which allows RNA polymerase to start adding RNA nucleotides de novo . Extra credit (3 points) What is the dilution factor when 0.1 mL is added to 99.9 mL? 1000...
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