Genetic Regulation Prokaryotes Catabolite activating protein exerts __________ control on transcription of the lac operon genes. may be positive or negative negative none of these positive may be positive or negative negative none of these positive ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Why are several structural genes regulated as a unit in bacteria? The bacteria chromosome is so small; many different genes must be controlled by the same promoter It allows coordinating regulation of genes with a common function None of these An accident of evolution The bacteria chromosome is so small; many different genes must be controlled by the same promoter It allows coordinating regulation of genes with a common function 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 neither tryptophan nor DNA bound to tryptophan bound to both DNA and tryptophan bound to DNA bound to neither tryptophan nor DNA bound to tryptophan bound to both DNA and tryptophan bound to DNA ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Sex lethal (sxl) in Drosophila is transcribed when 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 the X autosome balance is less than 0.5 ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes A frameshift mutation occurs in the sigma subunit gene transcribed as part of SPOl early genes. What will be the immediate result? Early genes will not be translated The bacterial host will lyse immediately Infection will proceed as usual Middle genes will not be transcribed Early genes will not be translated The bacterial host will lyse immediately Infection will proceed as usual Middle genes will not be transcribed 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
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