Transcription and Regulation In eukaryotes, there are three different RNA polymerases. The RNA polymerase responsible for transcription of mRNA is RNA polymerase I RNA polymerase II RNA polymerase III none of these RNA polymerase I RNA polymerase II RNA polymerase III none of these ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Upstream regions which are essential for correct transcription are called start codons transcription factors enhancers promoters start codons transcription factors enhancers promoters ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The regions of a gene located at -10 and -35, with respect to the start of transcription, are termed promoters. Shine Dalgarno sequences. start codons. oriC regions. promoters. Shine Dalgarno sequences. start codons. oriC regions. ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation RNA polymerase holoenzyme initiates transcription which involves recognition of the -35 sequence only None of these recognition of the -10 sequence and -35 sequence recognition of the -10 sequence only recognition of the -35 sequence only None of these recognition of the -10 sequence and -35 sequence recognition of the -10 sequence only ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Which of the following is necessary for transcription to occur? DNA polymerase DNA molecule RNA polymerase Both DNA & RNA polymerase DNA polymerase DNA molecule RNA polymerase Both DNA & RNA polymerase ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The closed complex at bacterial promoters is in equilibrium with free RNA polymerase and the promoter bound more tightly when repressors are present not affected by promoter mutations not affected by activator proteins in equilibrium with free RNA polymerase and the promoter bound more tightly when repressors are present not affected by promoter mutations not affected by activator proteins ANSWER DOWNLOAD EXAMIANS APP