Transcription and Regulation In eukaryotes, there are three different RNA polymerases. The RNA polymerase responsible for transcription of mRNA is none of these RNA polymerase I RNA polymerase III RNA polymerase II none of these RNA polymerase I RNA polymerase III RNA polymerase II 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? Both (b) and (c) Presence of lactose in the growth media Presence of IPTG (isopropyl thiogalactoside) in the growth media Presence of glucose in the growth media Both (b) and (c) Presence of lactose in the growth media Presence of IPTG (isopropyl thiogalactoside) in the growth media Presence of glucose in the growth media ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation The binding of lac repressor to DNA could be considered to be analogous to mixed-type inhibition of an enzyme competitive inhibition of an enzyme allosteric effects in enzyme regulation uncompetitive inhibition of an enzyme mixed-type inhibition of an enzyme competitive inhibition of an enzyme allosteric effects in enzyme regulation uncompetitive inhibition of an enzyme ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Enhancers are regions that bind RNA polymerase are CAT box binding proteins modulate transcription are adjacent to the TATA box bind RNA polymerase are CAT box binding proteins modulate transcription are adjacent to the TATA box ANSWER DOWNLOAD EXAMIANS APP
Transcription and Regulation Upstream regions which are essential for correct transcription are called promoters start codons enhancers transcription factors promoters start codons enhancers transcription factors 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 5' end immediately after 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 before a poly adenylation signal at the 5' end immediately after a poly adenylation signal at the 3' end just before a poly adenylation signal ANSWER DOWNLOAD EXAMIANS APP
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