Card Set Information
genes, mutations,Protein Synthesis,DNA replication
What does DNA consist of?
pentose sugar, phosphate, nitrogen bases (purines, pyrimidines)
what are purines?
adenosine and guanine (
what are primidines?
cytosine and thymine (
sugar, base (nitrogen), and a phosphate
sugar and base (nitrogen)
THE TWO SIDES OF dna RUN OPPOSITE TO EACH OTHER (UPSIDEDOWN)
When and where does DNA replication occur?
during mitosis in the nucleus of a eukaryotic cell
what does helicase do?
unwinds the DNA by breaking the hydrogen bonds.
what does primase do?
puts on the primer strand (RNA)
what is DNA polymerase III?
adds nucleotides in (one by one in the leading strand and in sections in the lagging strand)
what are okazaki fragments?
sections of nucleotides
what does DNA ligase do?
joins okazaki fragments