WebWhat is the function of a sigma factor? It is the portion of RNA polymerase that recognizes the promoter. It is a loosely attached sub unit. By controlling which sigma factors are made, cells can transcribe specialized sets of genes as needed. What is the fate of a protein that has a signal sequence? terminal end WebSigma factors are subunits of all bacterial RNA polymerases that are responsible for determining the specificity of promoter DNA binding and efficient initiation of RNA …
RNA synthesis Flashcards Quizlet
WebSigma factor is an accessory protein to RNA polymerase in bacteria that helps the polymerase bind to the promoter region. In eukaryotes, this function is performed by a … Weba. the release of high-energy electrons from cofactors associated with RNA polymerase b. the energy from ATP formation c. the hydrolysis of high-energy bonds of ribonucleoside triphosphates during elongation c Some genes do not encode proteins, but instead encode functional RNA true/false true mercantile title agency cincinnati
7.19E: Regulation of Sigma Factor Translation - Biology …
WebJan 25, 2024 · The ethylene response factor 1 (ERF1) interacts with WRKY33 and directly binds camalexin biosynthesis genes to mediate synergy between the ethylene, jasmonate, and map kinase (MAPK), signaling pathways in activating camalexin biosynthesis [ 28 ]. WebWhich of the following statements describes the function of the sigma factor in prokaryotic transcription? It catalyzes the removal of the introns to produce mature mRNA to … WebThe RNA polymerase holoenzyme is composed of several subunits including sigma factor whose primary role is to recognize the ...... promotor The initiation stage of bacterial transcription is shown in this figure. Match the letter to its appropriate description. Instructions A Closed complex B Open complex mercantile system of accounts