DNA

• The structure of DNA is a double helix shape with two strands wound around each other
• An example of a disease caused by a mutation is Osteogenesis imperfecta, which causes brittle bones and slow healing
• The DNA is packaged into chromosomes, with different species of animals having different numbers of chromosomes
• Each strand of DNA is a polymer of nucleotides, with A always pairing with T and G always pairing with C
• The order of the bases in DNA tells the cell what order to join amino acids in, forming proteins
• A copy of the gene is made in RNA which leaves the nucleus and goes to a ribosome where amino acids are joined together to make a polypeptide
• A mutation is a change in the base sequence of DNA, which can affect the protein formed and its function
• Each strand is a polymer of nucleotide.

  This is one nucleotide.

  Label the following

  A) Phosphate Group

  B) Nitrogenous Base

  C) Pentose Sugar

  
• Nucleotides are able to join together because they have a sugar phosphate backbone with bases attached.
• Adenine pair with Thymine and Guanine pair with Cytosine.
• Proteins are polymers of amino acids
• Each 3 bases is the code for 1 amino acid.

  It is known as the triplet code.
• Discuss the structure of DNA and how it codes for amino acids.

  • Has a double-helix shape.
  • Is a polypeptide of nucleotide.
  • A nucleotide is compose by phosphate, pentose sugar, and nitrogen bases.
  • Made up of bases, adenine pairs with thymine and guanine pairs with cytosine.
  • The nucleotides are attached to a sugar-phosphate sugar.
  • 3 nucleotide forms 1 amino acid. It is also known as the triplet code.
  • The change of nucleotide would change the amino acid.
  • The change of amino acid would cause mutation