Transcription and Regulation Which of the following is necessary for transcription to occur? RNA polymerase DNA molecule Both DNA & RNA polymerase DNA polymerase RNA polymerase DNA molecule Both DNA & RNA polymerase DNA polymerase ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation In eukaryotes, there are three different RNA polymerases. The RNA polymerase responsible for transcription of mRNA is RNA polymerase II RNA polymerase III RNA polymerase I none of these RNA polymerase II RNA polymerase III RNA polymerase I none of these ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Transcription by E. coli polymerase occurs in two phases known as initiation and termination None of these four phases known as initiation, propagation, elongation and termination three phases known as initiation, elongation and termination two phases known as initiation and termination None of these four phases known as initiation, propagation, elongation and termination three phases known as initiation, elongation and termination ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The binding of lac repressor to DNA could be considered to be analogous to allosteric effects in enzyme regulation mixed-type inhibition of an enzyme competitive inhibition of an enzyme uncompetitive inhibition of an enzyme allosteric effects in enzyme regulation mixed-type inhibition of an enzyme competitive inhibition of an enzyme uncompetitive inhibition of an enzyme ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation What is a promoter? A specific sequence of DNA to which RNA polymerase binds A specific sequence of DNA to which a catabolic repressor binds None of these A specific DNA sequence to which a restriction endonuclease binds A specific sequence of DNA to which RNA polymerase binds A specific sequence of DNA to which a catabolic repressor binds None of these A specific DNA sequence to which a restriction endonuclease binds ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Promoters for tRNAs are located downstream from the start codon both (a) and (b) none of these upstream from the start codon downstream from the start codon both (a) and (b) none of these upstream from the start codon ANSWER DOWNLOAD EXAMIANS APP
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