Genetic Regulation Prokaryotes Catabolite activating protein exerts __________ control on transcription of the lac operon genes. none of these may be positive or negative negative positive none of these may be positive or negative negative positive ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Sex lethal (sxl) in Drosophila is transcribed when the X autosome balance is less than 0.5 None of these the X autosome balance equals 0.5 the X autosome balance is 1 or greater the X autosome balance is less than 0.5 None of these the X autosome balance equals 0.5 the X autosome balance is 1 or greater ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Why are several structural genes regulated as a unit in bacteria? It allows coordinating regulation of genes with a common function The bacteria chromosome is so small; many different genes must be controlled by the same promoter None of these An accident of evolution It allows coordinating regulation of genes with a common function The bacteria chromosome is so small; many different genes must be controlled by the same promoter None of these An accident of evolution ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes In the presence of tryptophan in the cell, the repressor is __________ bound to tryptophan bound to DNA bound to both DNA and tryptophan bound to neither tryptophan nor DNA bound to tryptophan bound to DNA bound to both DNA and tryptophan bound to neither tryptophan nor DNA ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes The lac operon is transcribed in which segments? 4 3 1 2 4 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes A mutation in the tip binding site of the repressor would result in no operon expression constitutive trp operon expression None of these inducible trp operon expression no operon expression constitutive trp operon expression None of these inducible trp operon expression ANSWER DOWNLOAD EXAMIANS APP