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Unformatted text preview: BCH 361 Fall 2008 practice exam 2 (1) Draw the structure of a ribonuleotide, including the base (you can choose one of the four bases, present in RNA), the sugar and the phosphate. (4) (2) What is the main difference in the chemical structure of DNA and RNA (2) (3) How many hydrogen bonds are formed between the base pairs Thymine and Adenine and Guanine and Cytosine? (2) (4) Name the four different types of RNA’s and indicate their function in the cell (8) (5) Name the two elements of the promoter region for transcription in Prokaryonts. (2) (6) There are three RNA-Polymerases present in Eukaryonts, named RNA Polymerase I, II and III. Which RNA molecules are synthesized by each of these Polymerases? (3) page 1 21 points 1 (7) Describe the processes, which are involved during maturation of the pre-mRNA to the mature mRNA in Eukaryonts. (6) (8) How many bases code for one amino acid? Which is the START codon and for which amino acid does this codon stands for? (3) (9) Draw a schematic picture of a...
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This note was uploaded on 09/30/2011 for the course BCH 361 taught by Professor Fromme during the Fall '08 term at ASU.
- Fall '08