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Practice+Exam+2 - BIOL2800 Summer 2004 Exam 2 Name 1 Please...

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BIOL2800 Name: _______________________________ 1 Summer 2004 Exam 2 Please answer all of the following questions as clearly and concisely as possible. Please follow all of the directions or you may lose points. PLEASE WRITE YOUR NAME ON ALL OF THE PAGES!!! 1. ( 2 pts. each) Matching. Write the LETTER of the BEST answer (only one best answer) for each statement. Each letter may be used more than once or not at all. A. Sigma factor B. Hydrogen bond C. Rho protein D. RNA polymerase E. AT-rich sequence F. TBP G. Peptide bond H. cAMP I. UTP J. Termination sequence K. Amino L. Glycine M. None of the answers is correct. _________ is located at about –10 in a bacterial promoter _________ helps the bacterial RNA polymerase bind appropriately to a promoter _________ adds one nucleotide at a time using the DNA as a template _________ the type of bond formed between successive nucleotides in an mRNA strand _________ is a protein that can be used to terminate transcription _________ is a nucleotide that can be incorporated into a growing mRNA strand _________ the type of bond that that holds two nucleic acid strands together 2. The rate of transcription of a gene can be controlled by multiple mechanisms. Write a brief explanation for each question below.
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