Biology 1002B Chapter Notes - Chapter Outcomes: Start Codon
2 May 2019
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Relative location of such dna sequence signals as promoter, 5" and 3" utr, sd box , start codon, stop codon, transcription terminator etc. Sd box -> located upstream of start codon. Mechanism by which each signal is interpreted, or understood, by the cell. Information in dna is read and understood by rna polymerase. Polymerase reads from 3"-> 5" a. b. c. d. Promoter: upstream regions that are binding sites for rna polymerase. Terminator: signals the polymerase to stop transcribing bacterial genes. Atat pairs -> at rich region where the two strains of helix break h. b in order to give access to the coding strand. Characteristics of promoters that require a particular position and direction. Location tells us which is the coding and template strand. Change in amino acid coded, given a change in the dna sequence (and genetic code table) Identify the function of "start" and "stop" codons. Base sequence of start and stop codons as mrna and dna.
