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CH 9 V

Ch 9 Vocabulary

QuestionAnswer
Vaccine A substance that is introduced into the body to produce immunity
Bacteriophage A virus that infects bacteria
Nucleotide Consists of a phosphate group, a sugar molecule, and a nitrogen base
Deoxyribose A five-carbon sugar
Adenine A nitrogen base that forms hydrogen bonds with thymine
Guanine A nitrogen base that forms hydrogen bonds with cytosine
Cytosine A nitrogen base that forms hydrogen bonds with guanine
Thymine A nitrogen base that forms hydrogen bonds with adenine
Purines A class of organic molecules, each having a double ring of carbon and nitrogen atoms
Pyrimidines A class of organic molecules, each having a single ring of carbon and nitrogen atoms
helicases A long DNA molecule that has about 100 replication forks during replication
DNA polymerases Enzymes that have a proofreading role in DNA replication
Replication forks Portions of DNA where the double helix separates during DNA replication
Eukaryotic DNA A long DNA molecule that has about 100 replication forks during replication
Bacterial DNA A circular DNA molecule that has two replication forks during replication
Double helix Shape of a DNA moecule in which two strands of DNA are twisted around each other, like a winding staircase
Created by: poshtarka
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