Showing posts with label DNA and chromosomes. Show all posts
Showing posts with label DNA and chromosomes. Show all posts

Tuesday, 25 February 2014

DNA and chromosomes resources

http://www2.le.ac.uk/departments/genetics/vgec/schoolscolleges/topics/dna-genes-chromosomes

http://getrevising.co.uk/revision-tests/dna_and_meiosis_4?game_type=flashcards#1a

In eukaryotes, DNA is linear and associated with proteins. In prokaryotes, DNA molecules are smaller, circular and are not associated with proteins.

Eukaryote DNA

  • Long chains of DNA
  • Associated with proteins (wrapped up with)
  • 3.2bn nucleotides long

Prokaryote DNA

  • Circular chromosome
  • Not associated with proteins
  • 4.6mn nucleotides long