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vocabulary 9-2 10-24

QuestionAnswer
Double Helix Two strands twisted around each other, like a winding staircase.
Nucleotides The subunits that make up DNA
Deoxyribose The five- carbon sugar in DNA nucleotides, which DNA get its full name , Deoxyribonucleic acid
Base-Pairing rules The struc- ture and size of the nitrogen bases allows for only these two paired combinations
Complementary base pairs The strictness of base-pairing results in two strands
DNA replication The process of making a copy of DNA
DNA helicases opens the double helix by breaking the hydro- gen bonds that link the complementary nitrogen bases between the two strands.
replication forks The areas where the double helix separates
DNA polymerases move along each of the DNA strands
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