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Chapter 9 Vocab.!

QuestionAnswer
vaccine substance that is prepared from killed or weakened disease-causing agents
virulent able to cause disease
transformation change in genotype caused when cells take up foreign genetic material
bacteriophage virus that infects bacteria
double helix two strands twisted around each other
nucleotide subunits that make up DNA
deoxyribose DNA gets its full name from it
base-pairing rules adenine always pairs with thymine; guanine always pairs with cytosine
complementary base pairs the strictness of base-pairing results in two strands
DNA replication process of making a copy of DNA
DNA helicase enzymes that make DNA replication happen
replication fork areas where double helix seperates
DNA polymerases enzymes that move along each DNA strands
Created by: Sarah Arnold
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