BIOL 102 Study Guide - Final Guide: Rna Polymerase Iii, Rna Polymerase I, Rna Polymerase Ii
Document Summary
1st step in converting genetic info into proteins is to synthesize a messenger rna version of the instructions archived in dna. Enzymes called rna polymerase are responsible for the synthesizing mrna: transcription is the synthesis of rna from a dna template: the rxn catalyzed by rna polymerase results in the formation of a phosphodiester bond b/w ribonucleotides. Rna polymerase produces an rna strand whose sequence is complementary to the bases in the dna template. (once an ntp that matches a base on the dna template is in place, Rna polymerase catalyzes the formation of a phosphodiester bond b/w 3" end of the growing mrna chain and the new ribonucleotides. As the 5" 3" matching and catalyzing process continues, an rna that is complementary to the gene is synthesized: only 1 of the 2 dna strands is used as a template and transcribed ( read ) by rna polymerase.
