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DNA: PHYSICAL PROPERTIES

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Drosophila polytene chromosomes. GENETIC ENGINEERING. Gene products. Gene therapy ... Review materials in lab for final exam. Labs will not be open to students ... – PowerPoint PPT presentation

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Title: DNA: PHYSICAL PROPERTIES


1
DNA PHYSICAL PROPERTIES
  • Nucleic Acids DNA
  • Five carbon sugar
  • Phosphate group
  • Nitrogenous base

2
BASE PAIRINGS
  • Adenine-Thymine

3
BASE PAIRINGS
  • Guanine-Cytosine

4
DNA MOLECULE
5
IN LAB TODAY PHYSICAL PROPERTIES
  • Compare treatment effects on viscosity
  • Untreated DNA
  • Heated, rapidly cooled DNA
  • Enzyme (DNase treated) DNA
  • Compare treatment effects on precipitation

6
IN LAB TODAY PHYSICAL PROPERTIES
  • Gel Electrophoresis
  • Practice loading gels
  • Posters of gel photos and radiographs
  • Determine length of an unknown DNA molecule

7
IN LAB TODAY CHROMOSOME DEMONSTRATIONS
  • Human Chromosomes
  • Drosophila polytene chromosomes

8
GENETIC ENGINEERING
  • Gene products
  • Gene therapy
  • Agricultural application
  • Eugenic application

9
FINAL REVIEW
  • Review materials in lab for final exam
  • Labs will not be open to students outside their
    regular lab time
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