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Unformatted text preview: properties of eukaryotic chromatin. 3. (25 points) Eukaryotic Chromatin a. What is the basic building block of chromatin structure? What are its constituents? Draw and label one. b. Show by diagram and description how these basic units are further condensed to the level of a metaphase chromosome. c. What was the experimental evidence which supported the initial data obtained from electron microscopy and suggested the presently accepted theory concerning the above described basic repetitive unit of chromatin structure? Briefly describe/diagram the experimental protocols with an example of anticipated results. 4. (15 pts) What is the structure/organization/function of telomeric DNA sequences? How are these sequences lost and replaced (diagram the enzyme and the mechanism used). 5. (20 pts) Diagram/explain the current model for how recombination between homologous duplexes occurs in E. coli....
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This note was uploaded on 04/15/2011 for the course BIOL 1733 taught by Professor Staff during the Spring '08 term at North Texas.
- Spring '08