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AP Genetics and DNA Flashcards

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9034668475NucleotideMade of a sugar, phosphate and a nitrogenous base0
9034671325PurineAdenine and Guanine. Double Ringed1
9034674669PyrimadineCytosine and Thymine. Single Ringed2
9034677771Deoxyribose3
9034679882Ribose4
9034685455mRNAMakes a copy of a DNA gene in the nucleus5
9034690676RNA polymeraseEnzyme that reads a gene on DNA to make an mRNA copy6
9034703651Central Dogma of BiologyDNA - RNA - Protein7
9034705889polypeptidename for a protein that describes the bonds holding the amino acids together8
9034709234codonSet of three base pairs on an mRNA transcript9
9034713714anticodonSet of three base pairs on a tRNA molecule10
9034718815introngenetic information that gets cut out of an RNA transcript and stays in the nucleus11
9034718816exongenetic information that gets cut out of an RNA transcript and codes for the gene12
9034722466differential RNA splicingallows one gene to code for more than one protein13
9034722467splicosomethe complex of RNA and enzymes that cut out introns.14
9034834288Aminoacyl-tRNA-synthetaseenzyme that binds tRNA to specific amino acid15
9034838545wobblethe 3rd base of a codon has less strict base pairing rules than bases 1 and 216
9034844469A siteSite on a ribosome that holds the amino acid to be attached17
9034844470P siteSite on a ribosome that forms the peptide bond between the new amino acid and the elongated chain18
9034844471E siteplace where the "empty" tRNA dissociates from the ribosome19
9034861839hydrogen bondsform between the bases on the DNA ladder20
90348714575' cap and poly A tailadded to an mRNA transcript to protect the transcript on it's way to a ribosome21
9034875416chaperoninassists with the proper folding of a protein22
9034880046primary structure23
9034881721secondary structure24
9034883753tertiary structure25
9034885715quarternary structure26
9034890042operoncluster of related genes with on/off switch27
9034890043promoterwhere RNA polymerase attaches28
9034920659genecode for related enzymes in a pathway29
9034922717operator"on/off", controls access of RNA poly30
9034924897inducable operongene expression is turned on by the presence of a substance that needs to be broken down. (catabolic)31
9034928564repressable operongene expression is controlled and turned off by the presence of a product that is made. (anabolic)32
9034941497trp operonexample of a repressable operon33
9034944327lac operonexample of an inducable operon34
9034951664regulatory geneproduces repressor protein that binds to operator to block RNA polymerase35

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