BMB401 F04 T4 - I, (Name) _ have neither received nor given...

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I, (Name) _________________________________________ have neither received nor given help BMB 401/506-Fall 2004 Fourth Examination December 2, 2004 KEY During the exam you should not be in possession of a beeper or a cellular phone. Please place your beeper and/or cellular phone in your book bag (after you turn it off!!!) and place the bag against the wall of the room. THESE ARE STANDARD SINGLE ANSWER MULTIPLE CHOICE QUESTIONS. THE POSSIBLE ANSWERS ARE LABELED A,B,C,D AND E. SELECT THE SINGLE BEST ANSWER AND MARK THE APPROPRIATE CIRCLE ON THE SCANTRON ANSWER SHEET. BUBBLE IN YOUR NAME AND ID# (C# ONLY PLEASE) . There are 35 questions. You will receive full credit for 33 correct answers. 1. Hydrolysis of pyrophosphate is required to make which of the following reactions irreversible? A. Transcription B. DNA synthesis C. RNA splicing D. A and B but not C E. A, B and C 2. Transcription… A. …retains the genetic information of the DNA template. B. …occurs in the nucleus of prokaryotes C. …is tightly coupled to translation in eukaryotes. D. …initiates once per cell cycle. E. …requires a primer. 3. Translation… A. …retains the genetic information of the DNA template. B. …occurs in the nucleus of eukaryotes C. …is tightly coupled to transcription in prokaryotes. D. …initiates once per cell cycle. E. …requires a primer. 4. Replication… A. …expresses the genetic information of the DNA template. B. …occurs in the Ribosome. C. …is tightly coupled to transcription. D. …initiates once per cell cycle. E. …requires a tRNA primer 5. Nucleic acid secondary structures are stabilized by… A. …base stacking. B. …purine-purine hydrogen bonds. C. …phosphate-phosphate interaction. D. …2’,5’ phosphodiester bonds. E. …none of the above. Page 1 of 7
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I, (Name) _________________________________________ have neither received nor given help 6. Which statement(s) about the creation of genetically modified eukaryotic organisms (GMOs) is/are true? A. GMOs are created by splicing foreign genes into a genome. B. GMOs are infertile and cannot spread their genes in the wild. C. Introduction of bacterial genes into plants poses no ecological threats. D. It is impossible to express bacterial genes in plants. E. None of the above 7. Following oxidative deamination with nitrous acid and several rounds of replication, which of the following base pairs would you expect to replace the complementary base pair A-T? (Note: Watson on left, Crick on right) A. T-G B. G-C C. C-G D. T-A E. G-T 8. Fidelity of the genetic information is maintained by all of the following EXCEPT A. … proofreading 3' 5' exonuclease activity of DNA polymerase III. B.
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BMB401 F04 T4 - I, (Name) _ have neither received nor given...

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