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Dna Basics

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Transcript

  • 1. DNA
  • 2. DNA Deoxyribonucleic Acid
  • 3. DNA is shaped like a double helix
  • 4. DNA is a large polymer formed by linking nucleotides.
  • 5. DNA is a large polymer formed by linking nucleotides.
  • 6. Nucleotides have 3 parts:
  • 7. Nucleotides have 3 parts: 1. Sugar
  • 8. Nucleotides have 3 parts: 1. Sugar 2. Phosphate
  • 9. Nucleotides have 3 parts: 1. Sugar 2. Phosphate 3. Nitrogen Base
  • 10. Nucleotides have 3 parts: 1. Sugar 2. Phosphate 3. Nitrogen Base
  • 11. Nitrogen Bases come in 4 amazing flavors (A, T, G, and C)!
  • 12. Nitrogen Bases come in 4 amazing flavors (A, T, G, and C)!
  • 13. Genetic information is encoded in the sequence of nitrogen bases
  • 14. Genetic information is encoded in the sequence of nitrogen bases ATGCTTAAAGCTATA
  • 15. Genetic information is encoded in the sequence of nitrogen bases ATGCTTAAAGCTATA TACGAATTTCGATAT
  • 16. Genetic information is encoded in the sequence of nitrogen bases ATGCTTAAAGCTATA TACGAATTTCGATAT
  • 17. Genetic information is encoded in the sequence of nitrogen bases ATGCTTAAAGCTATA TACGAATTTCGATAT These “coding sequences” are known as genes.
  • 18. Each gene codes for the production of a specific protein.
  • 19. Each gene codes for the production of a specific protein. DNA
  • 20. Each gene codes for the production of a specific protein. DNA
  • 21. Each gene codes for the production of a specific protein. DNA Protein
  • 22. Each gene codes for the production of a specific protein. DNA Protein Characteristics are the physical expression of the proteins we make!!!
  • 23. Each gene codes for the production of a specific protein. DNA Protein Characteristics are the physical expression of the proteins we make!!!
  • 24. Each gene codes for the production of a specific protein. DNA Protein trait Characteristics are the physical expression of the proteins we make!!!
  • 25. Each DNA molecule in a cell forms a single chromosome. There are 23 pairs of chromosomes in the nucleus of every human body cell.