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Biology Review.docx

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Department
Biology
Course
BIOL 102
Professor
Wayne Snedden
Semester
Fall

Description
Biology Review (Last class) November 27, 2011 - 3 hours, 120 multiple choice questions - 60 questions from each professor - look at last set (set 13) - Meselsohn and Stahl  bacteria take up any isotope of N to make DNA - Used heavy N (15N) instead of normal N (14N) to make heavy DNA in Bacteria; several generation - Then provided with 14 N – containing medium in later generations of growth - Alkaptonuria – or “black urine” homogentisic acid in urine oxidizes and turns dark - Response elements – regulatory elements - DNA sequences that regulate genes. Bind regulatory proteins that control transcription at core promoter - Preinitiation Complex – RNA polymerase, 5 different general transcription factors (GTFs), GTFs and RNA Polymerase must come together at core promoter - Posttran
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