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| Description: RNA synthesis. RNA polymerase catalyzes the formation of a phosphodiester bond to join a new RNA nucleotide to the 3ˊend of a growing RNA strand. Two phosphate molecules are cleaved as a pyrophosphate group (1 of 3)RNA synthesis. RNA polymerase catalyzes the formation of a phosphodiester bond to join a new RNA nucleotide to the 3ˊend of a growing RNA strand. Two phosphate molecules are cleaved as a pyrophosphate group (1 of 3) (a) (b) DNA template strand 5’ 5’ 3’ M _ 3, M 0\\ 0 O 0' °\\ /O- CH °\\ 0 / ' H CH P i ' o P< {0/ \o 0/ I RNA transcript strand 0 New - I phosphodiester Eggzphodlester \CH ,7 , 0= P—O- bond 2 Pyrophosphate (I) [ UTP recruited by _0. group (discarded) RNA polymerase | ‘ o: P—o— o I | '0 0= r-O‘ Triphosphate Picture Stats: Views: 45 Filesize: 274.34kB Height: 1269 Width: 1536 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=48619 |