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Dna notes
Dna notes
Dna notes
Dna notes
Dna notes
Dna notes
Dna notes
Dna notes
Dna notes
Dna notes
Dna notes
Dna notes
Dna notes
Dna notes
Dna notes
Dna notes
Dna notes
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Dna notes

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  • 1. genetics
  • 2. More DNA History <ul><li>Watson & Crick – created the double helix model for DNA. </li></ul><ul><li>Franklin & Wilkins – X-ray of DNA to show that it was a double helix </li></ul>
  • 3. DNA Cloning Cancer Individualism Gene Therapy Human Genome Project DNA Fingerprinting Human Development Genetic Diseases
  • 4. DNA <ul><li>Deoxyribonucleic acid </li></ul><ul><li>Located in the nucleus </li></ul><ul><li>Instructions for how to make proteins </li></ul>
  • 5. Nitrogen Bases <ul><li>Adenine </li></ul><ul><li>Thymine </li></ul><ul><li>Guanine </li></ul><ul><li>Cytosine </li></ul><ul><li>A=T and C=G </li></ul>
  • 6. Geneticists <ul><li>Chargaff Rule </li></ul><ul><ul><li>how the bases pair </li></ul></ul><ul><ul><li>A=T and C=G </li></ul></ul>
  • 7. Hydrogen bonds Nucleotide Sugar-phosphate backbone Key Adenine (A) Thymine (T) Cytosine (C) Guanine (G) <ul><li>Made up of nucleotides – </li></ul><ul><li>sugar </li></ul><ul><li>phosphate </li></ul><ul><li>nitrogen base </li></ul>
  • 8. DNA is made up of steps and rails of a ladder. This is a rail This is a step or rung Green can only go with Red Purple can only go with Yellow
  • 9. Chromosomes <ul><li>Coiled up DNA and proteins </li></ul><ul><li>Passed on to future generations </li></ul><ul><li>Centromere </li></ul><ul><li>Sister chromatids </li></ul>
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  • 14. http://highered.mcgraw-hill.com/olcweb/cgi/pluginpop.cgi?it=swf::535::535::/sites/dl/free/0072437316/120076/micro04.swf::DNA%20Replication%20Fork Polymerase and Ligase are both enzymes that aid in DNA Replication
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  • 17. DNA Replication Practice

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