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7 Cards in this Set

  • Front
  • Back
Outline DNA nucleotide structure in terms of sugar (deoxyribose), base and phosphate.
poshpate attached to sugar attached to base
State the names of the four bases in DNA.
Adenine
Guanine
Cytosine
Thymine
How are DNA nucleotides
linked together?
By covalent bonds
How is a DNA double helix
formed?
By complementary base
pairing and hydrogen bonds.
Draw and label a simple diagram of the molecular structure of DNA.
Show the complementary base pairs of A–T and G–C, held together by hydrogen bonds and the sugar–phosphate backbones. The number of hydrogen bonds between pairs and details of purine/pyrimidines are not required.
Explain DNA replication
Unwinding of the double helix
Separation of the strands by helicase,
Formation of the new complementary strands by DNA polymerase.
DNA replication is conservative or semi-conservative?
Semi-conservative