Genetic Regulation Prokaryotes In the presence of tryptophan in the cell, the repressor is __________ bound to both DNA and tryptophan bound to neither tryptophan nor DNA bound to DNA bound to tryptophan bound to both DNA and tryptophan bound to neither tryptophan nor DNA bound to DNA bound to tryptophan ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes The first protein complex to bind to the TATA box is transcription factor IIA all of these transcription factor IID transcription factor IIB transcription factor IIA all of these transcription factor IID transcription factor IIB ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Methylated gene are silent either (a) or (b) active dynamic silent either (a) or (b) active dynamic ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Sex lethal (sxl) in Drosophila is transcribed when the X autosome balance is less than 0.5 the X autosome balance equals 0.5 the X autosome balance is 1 or greater None of these the X autosome balance is less than 0.5 the X autosome balance equals 0.5 the X autosome balance is 1 or greater None of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Why are several structural genes regulated as a unit in bacteria? An accident of evolution It allows coordinating regulation of genes with a common function None of these The bacteria chromosome is so small; many different genes must be controlled by the same promoter An accident of evolution It allows coordinating regulation of genes with a common function None of these The bacteria chromosome is so small; many different genes must be controlled by the same promoter ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes In the presence of high levels of tryptophan attenuator allows transcription of trp structural genes None of these attenuator terminates transcription attenuator propogates transcription attenuator allows transcription of trp structural genes None of these attenuator terminates transcription attenuator propogates transcription ANSWER DOWNLOAD EXAMIANS APP