Transcription and Regulation Each tRNA molecule has a cloverleaf secondary structure consisting of four stem loops three stem loops either (a) or (b) two stem loops four stem loops three stem loops either (a) or (b) two stem loops ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The function of the sigma factor of RNA polymerase is to assure that transcription begins at the proper point assure that translation ends at the proper point assure that translation begins at the proper point assure that transcription ends at the proper point assure that transcription begins at the proper point assure that translation ends at the proper point assure that translation begins at the proper point assure that transcription ends at the proper point ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation In both eukaryotes and prokaryotes, a promoter region that is rich in AT bases is called as Shine Dalgarno region CATT TATA box SV40 region Shine Dalgarno region CATT TATA box SV40 region ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Most transcripts of protein coding genes are cleaved at the 5' end immediately after a poly adenylation signal at the 3' end just before a poly adenylation signal at the 5' end immediately before a poly adenylation signal at the 3' end just after a poly adenylation signal at the 5' end immediately after a poly adenylation signal at the 3' end just before a poly adenylation signal at the 5' end immediately before a poly adenylation signal at the 3' end just after a poly adenylation signal ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Upstream regions which are essential for correct transcription are called start codons promoters enhancers transcription factors start codons promoters enhancers transcription factors 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 activator proteins not affected by promoter mutations in equilibrium with free RNA polymerase and the promoter bound more tightly when repressors are present not affected by activator proteins not affected by promoter mutations ANSWER DOWNLOAD EXAMIANS APP
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