PS#1_W10

PS#1_W10 - PS 1 1 Problem Set#1 BIMM100 Winter 2010 Short...

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PS 1, 1 Problem Set #1 BIMM100 Winter 2010 – Short Answers 1. What is a key feature of Chargaff’s evidence for DNA as the genetic material? How could this evidence have been used by Watson and Crick to identify DNA as double stranded? 2. Name the researcher(s) who identified DNA in transformation. a. Franklin b. Hershey and Chase c. Chargaff d. Watson, Crick, and Wilkins e. Griffith 3. Why didn’t the triple helix work as the DNA structure? Describe the chemical features that are important in maintaining the structure of the double helix. 4. This question is based on an experiment in which phages are labeled with either radioactive Phosphorus (P) or Sulfur (S) and allowed to infect bacteria. Possible results are as follows: I. P enters bacterial cell II. S enters bacterial cell III. P remains outside bacterial cell IV. S remains outside bacterial cell Which would be evidence that only DNA from a phage enters a bacterial cell? Result(s):
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This note was uploaded on 01/20/2010 for the course ECON 100 taught by Professor Hnewhous during the Spring '08 term at UCSD.

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PS#1_W10 - PS 1 1 Problem Set#1 BIMM100 Winter 2010 Short...

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