dna

• what is dna

  a polymer made up of 2 long strands of small units that repeat throughout the structure called the nucleotides. each of these are made up of a sugar, base and phosphate which are attached to the sugar
• what type of structure is dna

  double helix
• what are the 3 parts of a nucleotide

  • sugar
  • base
  • phosphate
• two long strands within each dna molecule are held together by attraction between opposite bases
• what base pairs with a

  T
• what base pairs with g

  C