Transcription and Regulation Each tRNA molecule has a cloverleaf secondary structure consisting of either (a) or (b) two stem loops four stem loops three stem loops either (a) or (b) two stem loops four stem loops three stem loops 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 5' end immediately before a poly adenylation signal at the 3' end just 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 5' end immediately before a poly adenylation signal at the 3' end just before a poly adenylation signal at the 3' end just after a poly adenylation signal ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Which of the following conditions would cause the release of the lac repressor protein from the lac operator site on DNA? Presence of glucose in the growth media Presence of IPTG (isopropyl thiogalactoside) in the growth media Presence of lactose in the growth media Both (b) and (c) Presence of glucose in the growth media Presence of IPTG (isopropyl thiogalactoside) in the growth media Presence of lactose in the growth media Both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation What is a promoter? A specific sequence of DNA to which RNA polymerase binds None of these A specific DNA sequence to which a restriction endonuclease binds A specific sequence of DNA to which a catabolic repressor binds A specific sequence of DNA to which RNA polymerase binds None of these A specific DNA sequence to which a restriction endonuclease binds A specific sequence of DNA to which a catabolic repressor binds ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The binding of lac repressor to DNA could be considered to be analogous to uncompetitive inhibition of an enzyme mixed-type inhibition of an enzyme allosteric effects in enzyme regulation competitive inhibition of an enzyme uncompetitive inhibition of an enzyme mixed-type inhibition of an enzyme allosteric effects in enzyme regulation competitive inhibition of an enzyme 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
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