9-28-06 BIMM100_Ass1p

9-28-06 BIMM100_Ass1p - BIMM100 FALL 2006 ASSIGNMENT 1...

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BIMM100 FALL 2006 ASSIGNMENT 1 1 BIMM100 FA06 Assignment 1 Short answer questions 1. Identify each of the following bases of this single-stranded nucleic acid molecule and state if they are purines or pyrimidines. Identify the 5’ and 3’ ends. Circle all atoms of each base that participate in hydrogen bonding. What form of bond holds the nucleotides together and where is it located? (circle the bonds). Is this a DNA or RNA molecule? Why?
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BIMM100 FALL 2006 ASSIGNMENT 1 2 2.(a) If the Thymine content of DNA from an organism is 44 percent, what is the cytosine content? Why? (b) Define the melting temperature (Tm)? Which of the common Watson-Crick base pairs in DNA is most stable? Why? Would the DNA of the organism described in (a) have a higher or lower melting temperature than the DNA of an organism that has a guanine content of 30 percent? (c) Besides heat, name three other methods described in class that can promote DNA denaturation. 3. (a) Define mobile DNA elements. Name the two different classes of mobile elements
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This note was uploaded on 04/17/2008 for the course BIMM 100 taught by Professor Pasquinelli during the Fall '06 term at UCSD.

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9-28-06 BIMM100_Ass1p - BIMM100 FALL 2006 ASSIGNMENT 1...

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