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Bio Ch.11

Ciara

QuestionAnswer
virus a package of nucleic acid wrapped in a protein coat
bacteriophage virus that infects bacteria;also called a "phage"
dna the heritable genetic information of an organism is stored in the molecule
nucleotides the building blacks of nucleic acid polymers
nitrogenous base a single or double ring of carbon and nitrogen atoms with functional groups
pyrimidines the bases thymine(T) and cytosine(C) are single-ring structures
purines adenine(A) and guanine(G) are larger, double-ring structures
double helix two strands of nucleotides wound about each other; structure of DNA
DNA replication process of copying DNA
DNA polymerases make the covalent bonds between the nucleotides of the new DNA strand
RNA nucleic acid containing the sugar ribose
rRNA RNA component of ribosomes
mutation any change in the nucleotide sequence of DNA
mutagens physical or chemical gents that cause mutations
Created by: ciara046
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