DNA

?
  • Created by: Hannah
  • Created on: 19-12-12 17:19

DNA- deoxyribosnuclei acid

molecule that contains genectic information. Present in the chromosones of genes, and found inside the nuclei of cells

4 organic bases: adenine, thymine, cytosine and guanine

Purine bases: made up of 6 sided ring joined to a five sided ring adenine and guanine

Pyrimidine babes:made up of single 6 sided ring: thymine and cytosine

The structure of DNA is made up of many repeated units called nucleotides which contain; 5 carbon sugar deoxyribose, phosphate group and a nitrogenus organic base. Its made up of…

Comments

No comments have yet been made