Transcription and Regulation Which of the following is necessary for transcription to occur? Both DNA & RNA polymerase DNA molecule RNA polymerase DNA polymerase Both DNA & RNA polymerase DNA molecule RNA polymerase DNA polymerase ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Most transcripts of protein coding genes are cleaved at the 3' end just before a poly adenylation signal at the 5' end immediately after 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 3' end just before a poly adenylation signal at the 5' end immediately after 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 The closed complex at bacterial promoters is not affected by activator proteins not affected by promoter mutations bound more tightly when repressors are present in equilibrium with free RNA polymerase and the promoter not affected by activator proteins not affected by promoter mutations bound more tightly when repressors are present in equilibrium with free RNA polymerase and the promoter ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The binding of lac repressor to DNA could be considered to be analogous to competitive inhibition of an enzyme mixed-type inhibition of an enzyme uncompetitive inhibition of an enzyme allosteric effects in enzyme regulation competitive inhibition of an enzyme mixed-type inhibition of an enzyme uncompetitive inhibition of an enzyme allosteric effects in enzyme regulation ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Rho-dependent termination of transcription in E. coli requires about 50 nucleotides of uncomplexed mRNA both (a) and (b) requires ATP removes mRNA and holoenzyme from the DNA requires about 50 nucleotides of uncomplexed mRNA both (a) and (b) requires ATP removes mRNA and holoenzyme from the DNA ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Each tRNA molecule has a cloverleaf secondary structure consisting of three stem loops four stem loops two stem loops either (a) or (b) three stem loops four stem loops two stem loops either (a) or (b) ANSWER DOWNLOAD EXAMIANS APP