DNA

• What does DNA stand for?

  deoxyribonucleic acid
• where is dna found

  nucleus , mitrochondria and chloroplasts
• what is DNA found as in the nucleus of eukaryotes

  as chromatin
• what are the functions of dna

  carries a genetic code for protein synthesis and it can replicate in dividing cells
• what are the four organic nitrogenous bases in nucleotide

  adenine thymine guanine and cytosine
• what is the shape of dna

  double helix
• what is meant by the double helix being antiparrallel

  the two stands run next to each other but in opposite directions
• why is it called the 5 prime end

  because the base will bond with the 5th carbon atom on the pentose sugar
• what does cytosine bond with

  Guanine
• What does adenine pair with?

  Thymine
• how do you remember what bases are complementary


  all thieves get caught
• how many hydrogen bonds are there between guanine and cytosine

  3
• how many hydrogen bonds are there between thymine and adenine

  2