DNA structure

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DNA structure

  1. 1. DNA Structure<br />Page 289<br />
  2. 2.
  3. 3. p. 289<br />_______________ – a special virus that infects bacteria<br /> - attaches to a bacteria cell and eats its genetic information then ____________________________________to make “clones” of itself. <br />
  4. 4. p. 289<br />Bacteriophage – a special virus that infects bacteria<br /> - attaches to a bacteria cell and eats its genetic information then _____________________________________to make “clones” of itself. <br />
  5. 5. p. 289<br />Bacteriophage – a special virus that infects bacteria<br /> - attaches to a bacteria cell and eats its genetic information then replaces it with its own genetic information to make “clones” of itself. <br />
  6. 6. p 291 <br />_______ – _________________________________________<br /> - ___________ genetic information<br /> ______________genetic information from parents to offspring<br />
  7. 7. p 291 <br />DNA – Deoxyribonucleic Acid<br /> -________genetic information<br /> - _______ genetic information from parents to offspring<br />
  8. 8. p 291 <br />DNA – Deoxyribonucleic Acid<br /> - stores genetic information<br /> -___________genetic information from parents to offspring<br />
  9. 9. p 291 <br />DNA – Deoxyribonucleic Acid<br /> - stores genetic information<br /> - passes genetic information from parents to offspring<br />
  10. 10. DNA is made up of _____________<br />
  11. 11. DNA is made up of Nucleotides. <br />Nucleotide <br />
  12. 12. Each Nucleotide has 3 parts: <br /> 1. ___________________<br /> 2. ___________________<br /> 3. ___________________<br />
  13. 13. Each Nucleotide has 3 parts: <br /> 1. Phosphate group <br /> 2. Deoxyribose – sugar____<br /> 3. Nitrogen base - proteins<br />
  14. 14. 4 nitrogen bases<br />1. ___________________ 2. ___________________<br /> 3. ___________________<br /> 4. ___________________<br />
  15. 15. 4 nitrogen bases<br />1. Adenine <br /> 2. Thymine<br /> 3. Cytosine<br /> 4. Guanine<br />Phosphate Group + Deoxyribose make up the ____________<br />Bases make up the ______of the ladder<br />
  16. 16. 4 nitrogen bases<br />1. Adenine <br /> 2. Thymine<br /> 3. Cytosine<br /> 4. Guanine<br />Phosphate Group + Deoxyribose make up the ____________<br />Bases make up the ______of the ladder<br />
  17. 17. 4 nitrogen bases<br />1. Adenine <br /> 2. Thymine<br /> 3. Cytosine<br /> 4. Guanine<br />Phosphate Group + Deoxyribose make up the backbone<br />Bases make up the _______of the ladder<br />
  18. 18. 4 nitrogen bases<br />1. Adenine <br /> 2. Thymine<br /> 3. Cytosine<br /> 4. Guanine<br />Phosphate Group + Deoxyribose make up the backbone<br />Bases make up the steps of the ladder<br />
  19. 19. Bases are paired and held together by ________________(H-bonds). <br />Adenine pairs with __________________<br />Cytosine pairs with __________________<br />
  20. 20. Bases are paired and held together by Hydrogen Bonds (H-bonds). <br /> Adenine pairs with __________________<br /> Cytosine pairs with __________________<br />
  21. 21. Bases are paired and held together by Hydrogen Bonds (H-bonds). <br /> Adenine pairs with Thymine<br /> Cytosine pairs with __________________<br />
  22. 22. Bases are paired and held together by Hydrogen Bonds (H-bonds). <br /> Adenine pairs with Thymine (A-T)<br /> Cytosine pairs with Guanine (G-C)<br />
  23. 23. A T G C T T A G C C A G C T A G C<br />
  24. 24. A- <br />T -<br />G -<br />C -<br />T-<br /> T -<br />A -<br />G -<br />C-<br /> C-<br /> A-<br /> G-<br /> C-<br /> T -<br />A -<br />G-<br /> C-<br />T<br />A<br />C<br />G<br />A<br />A<br />T<br />C<br />G<br />G<br />T<br />C<br />G<br />A<br />T<br />C<br />G<br />
  25. 25. _______ – Adenine and Guanine – have 2 rings<br />____________ – Cytosine and Thymine<br /> -have one ring<br />
  26. 26. Purines – Adenine and Guanine – have 2 rings<br />___________ – Cytosine and Thymine<br /> -have one ring<br />
  27. 27. Purines – Adenine and Guanine – have 2 rings<br />Pyrimidines – Cytosine and Thymine<br /> -have one ring<br />
  28. 28. The shape of DNA is called the __________. It looks like a _____________. <br />The Double Helix ______ DNA and makes it more ____________ so that it _____________________. <br />
  29. 29. The shape of DNA is called the Double Helix. It looks like a ____________________. <br />The Double Helix ______ DNA and makes it more __________so that it ______________________. <br />
  30. 30. The shape of DNA is called the Double Helix. It looks like a spiral staircase. <br />The Double Helix ______ DNA and makes it more __________ so that it _____________________. <br />
  31. 31. The shape of DNA is called the Double Helix. It looks like a spiral staircase. <br />The Double Helix twists DNA and makes it more __________ so that it _____________________. <br />
  32. 32. The shape of DNA is called the Double Helix. It looks like a spiral staircase. <br />The Double Helix twists DNA and makes it more compact so that it _____________________. <br />
  33. 33. The shape of DNA is called the Double Helix. It looks like a twisted ladder. <br />The Double Helix twists DNA and makes it more compact so that it fits into the nucleus<br />
  34. 34. _______________________________– scientists who discovered the double- helix shape of DNA<br />
  35. 35. James Watson and Francis Crick – scientists who discovered the double- helix shape of DNA<br />

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