Transcription and Regulation Each tRNA molecule has a cloverleaf secondary structure consisting of either (a) or (b) two stem loops three stem loops four stem loops either (a) or (b) two stem loops three stem loops four stem loops ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Transcription by E. coli polymerase occurs in four phases known as initiation, propagation, elongation and termination two phases known as initiation and termination three phases known as initiation, elongation and termination None of these four phases known as initiation, propagation, elongation and termination two phases known as initiation and termination three phases known as initiation, elongation and termination None of these ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The nucleons of eukaryotic cell has all of these RNA polymerase II RNA polymerase I RNA polymerase III all of these RNA polymerase II RNA polymerase I RNA polymerase III ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Upstream regions which are essential for correct transcription are called start codons promoters transcription factors enhancers start codons promoters transcription factors enhancers ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The closed complex at bacterial promoters is bound more tightly when repressors are present not affected by promoter mutations in equilibrium with free RNA polymerase and the promoter not affected by activator proteins bound more tightly when repressors are present not affected by promoter mutations in equilibrium with free RNA polymerase and the promoter not affected by activator proteins ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Transcription factors are proteins which bind to DNA and regulate transcription CATT boxes TATA boxes promoters proteins which bind to DNA and regulate transcription CATT boxes TATA boxes promoters ANSWER DOWNLOAD EXAMIANS APP