Problem Set 9 Answers

Problem Set 9 Answers - Genetics 380 : Spring 2011 Problem...

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Problem Set # 9 Answers These answers are being released ahead of time (before you have to turn in your copy) since you wil need these to study for examination number 2 1. (a) 100 + 50 + 25 + 200 = 375 nucleotides (b) 100 +75 + 50 + 25 + 200 = 450 nucleotides 2 . Match the terms on the left with one of the descriptions on the right . ___c___ 1. Sigma factor a. Intervening sequences found in most eukaryotic genes. ___f___ 2. Poly (A) tail b. The RNA polymerase in the nucleus that catalyzes the synthesis of all rRNAs except for the small 5S rRNA. ___h___ 3. Exons c. The subunit of bacterial RNA polymerase that is responsible for the initiation of transcription at promoters. ___e___ 4. RNA polymerase III d. The population of primary transcripts in the nucleus of an eukaryotic cell. ___a___ 5. Introns e. The RNA polymerase in the nucleus that catalyzes the synthesis of transfer RNAs, 5S rRNA and small nuclear RNAs ___g___ 6. RNA Polymerase II f. A polyadenylic acid tract 20 to 200 nucleotides long that is
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Problem Set 9 Answers - Genetics 380 : Spring 2011 Problem...

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