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biology

QuestionAnswer
enzyme a protein that acts as a catalsyt to bring specific biochemical reactions on an organism
polypeptide large number of amino acids
primary structure "most basic"- sequence of amino acids that form proteins
protein synthesis info in genes flow into proteins- DNA>RNA>Proteins
double helix two strands of DNA
semiconservative model produces 2 copies with 1 original strand as well as new strand
origin of replication process which replication is initated
transcription DNA to RNA
codon 3 nucleotidea
promoter START or DNA signals for transcription
terminator DNA signals to stop transcription
translation RNA protein
anticodon 3 nucleotides of tRNA correspond to mRNA
substitution mutation mutation where base is exchanged for another
insertion mutation mutation where is an additional base is added to sequence
deletion mutation mutation where base is removed
reading frame triplet codons are read onto ribosomes
mutagen environmental, chemical or radiant cause mutations
genetic engineering manipulating genes
recombinant DNA allows genetic diversification, DNADNA combs with different organisms
DNA helicase unzips, or separates strands
DNA polymerase builds strands
RNA polymerase adds correct base pairs on RNA strand
silent mutation substitution that does not change amino acids
missense mutation substitution when wrong amino acids is coded for
nonsense mutation substitution causes early stop
Created by: Ari.berry1