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More Organic Chemistry: Proteins and DNA

More Organic Chemistry: Proteins and DNA. Proteins. Enzymes Structural proteins Storage proteins Transport proteins Hormones Receptors Contractile proteins Defensive proteins. Amino Acids. Amino Acids. amino. N. Amino Acids. amino. O. N. C. O. acid. Amino Acids. amino. O. N.

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More Organic Chemistry: Proteins and DNA

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  1. More Organic Chemistry:Proteinsand DNA

  2. Proteins • Enzymes • Structural proteins • Storage proteins • Transport proteins • Hormones • Receptors • Contractile proteins • Defensive proteins.

  3. Amino Acids

  4. Amino Acids amino N

  5. Amino Acids amino O N C O acid

  6. Amino Acids amino O N C C O acid

  7. Amino Acids amino O N C C O acid R

  8. Amino Acids H NH2—C—COOH R

  9. Amino Acids 20 different amino acids: • Polar or nonpolar • Electrically charged or not.

  10. Peptide Bonds

  11. Peptide Bonds

  12. Peptide Bonds

  13. Peptide Bonds

  14. Peptide Bonds

  15. Peptide Bonds

  16. Peptide Bonds

  17. Levels of Structure: • Primary • Secondary • Tertiary • Quaternary.

  18. Primary Structure

  19. Primary Structure in a hole in the ground there lived a hobbit not a nasty dirty wet hole filled with the ends of worms and an oozy smell nor yet a dry bare sandy hole with nothing in it to sit down on or to eat it was a hobbit hole and that means comfort

  20. Secondary Structure Chapter One In a hole in the ground there lived a hobbit. Not a nasty, dirty, wet hole, filled with the ends of worms and an oozy smell, nor yet a dry, bare, sandy hole with nothing in it to sit down on or to eat: it was a hobbit-hole, and that means comfort.

  21. Tertiary Structure

  22. Quaternary Structure

  23. Primary Structure

  24. Secondary Structure

  25. Tertiary Structure

  26. Quaternary Structure

  27. Protein Structure

  28. Protein Structure

  29. Mutant Proteins

  30. Denatured Proteins

  31. Nucleic Acids

  32. Nucleic Acids

  33. Concept Check Questions Why does a denatured protein no longer function normally?

  34. Concept Check Questions A genetic mutation may change a protein’s primary structure. Why does this destroy the protein’s function?

  35. Concept Check Questions In a DNA double helix, one strand has the sequence: 5’-TAGGCCT-3’ List the sequence along the other strand, clearly indicating 3’ and 5’ ends of the strand. .

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