Transcription and Regulation The closed complex at bacterial promoters is 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 in equilibrium with free RNA polymerase and the promoter ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Each tRNA molecule has a cloverleaf secondary structure consisting of either (a) or (b) four stem loops three stem loops two stem loops either (a) or (b) four stem loops three stem loops two stem loops 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 Transcription factors are TATA boxes CATT boxes promoters proteins which bind to DNA and regulate transcription TATA boxes CATT boxes promoters proteins which bind to DNA and regulate transcription ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Most transcripts of protein coding genes are cleaved at the 3' end just after a poly adenylation signal at the 5' end immediately before 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 3' end just after a poly adenylation signal at the 5' end immediately before a poly adenylation signal at the 3' end just before a poly adenylation signal at the 5' end immediately after a poly adenylation signal ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Transcription of each set of rRNA genes by RNA polymerasel produces a single 18S rRNA precursor molecule a single 5S rRNA precursor molecule a single 28S rRNA precursor molecule a single 45S rRNA precursor molecule a single 18S rRNA precursor molecule a single 5S rRNA precursor molecule a single 28S rRNA precursor molecule a single 45S rRNA precursor molecule ANSWER DOWNLOAD EXAMIANS APP
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