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Exam 3 Key 2007 - Name Student number BCHM 2024 Examination...

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Name ____________________________________ Student number _______________ BCHM 2024 Examination # 3 April 27, 2007 1. A calorie is: A. The amount of energy needed to raise the temperature of 1 kilogram of water 1 o C B. The amount of energy needed to raise the temperature of 1 gram of water 1 o C C. The amount of energy needed to apply a 1 Newton force over a distance of 1 meter D. None of the above 2. A Joule is: Use the choices from question #1. C 3. In eukaryotic messenger RNA (mRNA), the initiation codon for translation of the mRNA into protein is AUG. What amino acid does AUG code for? 4. Which of the following is not true about the genetic code: 5. Eukaryotic genes can be incorporated into plasmids and cloned into bacteria. Frequently the protein coded for by the foreign gene is not expressed correctly in the bacteria. This is because: 6-7. To introduce a segment of foreign DNA into a plasmid, both the foreign DNA and plasmid must be hydrolyzed by _ E _6__ . After the plasmid and foreign DNA are mixed together, phosphodiester bonds are formed by _ B _7__ . A. DNA polymerase D. Primase B. DNA ligase E. Restriction endonuclease C. Reverse transcriptase F. Exonuclease 8. What enzyme copies RNA into DNA? Use the choices from question # 6-7. C
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