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Nucleotides: the subunits of DNA

Nucleotides: the subunits of DNA. The four DNA bases. G. C. A. T. DNA strand: polymer of nucleotides. DNA Double Helix. Examples of proteins. EcoRI – restriction enzyme. Hemoglobin: carrier of oxygen. Mutant -globin  Sickle blood cells. Fiber of sickle hemoglobin.

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Nucleotides: the subunits of DNA

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  1. Nucleotides: the subunits of DNA

  2. The four DNA bases G C A T

  3. DNA strand: polymer of nucleotides

  4. DNA Double Helix

  5. Examples of proteins

  6. EcoRI – restriction enzyme

  7. Hemoglobin: carrier of oxygen

  8. Mutant -globin  Sickle blood cells Fiber of sickle hemoglobin Sickle and normal blood cells

  9. Normal blood flow

  10. Sickle cell complications

  11. The alphabet of protein: 20 amino acids

  12. Protein: polymer of amino acids

  13. Nucleotides vs. Amino Acids Nucleotide Amino Acid Both made up of “backbone” and “residue” parts

  14. The inaccessible code DNA is in the nucleus Proteins are (mostly) made in the cytoplasm

  15. Decoding a codon: UGG Only one way to code for tryptophan

  16. Decoding codons: AGC & AGU Both code for serine!

  17. Stop codons Don’t code for an amino acid They terminate translation

  18. RNA vs. DNA structure

  19. Transcription: DNARNA

  20. The Central Dogma replication DNA transcription RNA translation Protein

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