DNA structure

• structure of a nucleotide:

  1. has 3 main parts
  2. phosphate group attached to a sugar molecule
  3. sugar is attached to the "base"
• how many bases are there in a nucleotide and what are they called?

  4 bases = ACGT
• the DNA strands are complementary= sane bases always pair on the opposite strands like A-T G-C
• what does a phosphate look like?

  phosphate

  
• what are the 4 bases attached to?

  sugar
• A sequence of three bases is the code for a particular amino acid
• define DNA


  The DNA polymer is made up of repeating nucleotide units.