DNA
DNA
Deoxyribonucleic Acid
DNA   is shaped like a
double helix
DNA   is a large polymer formed by linking
nucleotides.
DNA   is a large polymer formed by linking
nucleotides.
Nucleotides have 3 parts:
Nucleotides have 3 parts:
1. Sugar
Nucleotides have 3 parts:
1. Sugar
2. Phosphate
Nucleotides have 3 parts:
1. Sugar
2. Phosphate
3. Nitrogen Base
Nucleotides have 3 parts:
1. Sugar
2. Phosphate
3. Nitrogen Base
Nitrogen Bases come in 4 amazing
flavors (A, T, G, and C)!
Nitrogen Bases come in 4 amazing
flavors (A, T, G, and C)!
Genetic information is encoded in the
sequence of nitrogen bases
Genetic information is encoded in the
sequence of nitrogen bases
  ATGCTTAAAGCTATA
Genetic information is encoded in the
sequence of nitrogen bases
  ATGCTTAAAGCTATA
  TACGAATTTCGATAT
Genetic information is encoded in the
sequence of nitrogen bases
  ATGCTTAAAGCTATA
  TACGAATTTCGATAT
Genetic information is encoded in the
sequence of nitrogen bases
  ATGCTTAAAGCTATA
  TACGAATTTCGATAT
These “coding sequenc...
Each gene codes for the production of a
specific protein.
Each gene codes for the production of a
specific protein.


  DNA
Each gene codes for the production of a
specific protein.


  DNA
Each gene codes for the production of a
specific protein.


  DNA           Protein
Each gene codes for the production of a
specific protein.


  DNA             Protein

Characteristics are the physical ex...
Each gene codes for the production of a
specific protein.


  DNA             Protein

Characteristics are the physical ex...
Each gene codes for the production of a
specific protein.


  DNA             Protein              trait

Characteristics ...
Each DNA molecule in a cell forms a
  single chromosome.

There are 23   pairs of
chromosomes in the nucleus
of every huma...
Dna Basics
Dna Basics
Dna Basics
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Dna Basics

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Dna Basics

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

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