Genetic Regulation Prokaryotes In the presence of tryptophan in the cell, the repressor is __________ bound to DNA bound to both DNA and tryptophan bound to tryptophan bound to neither tryptophan nor DNA bound to DNA bound to both DNA and tryptophan bound to tryptophan bound to neither tryptophan nor DNA 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? Middle genes will not be transcribed The bacterial host will lyse immediately Infection will proceed as usual Early genes will not be translated Middle genes will not be transcribed The bacterial host will lyse immediately Infection will proceed as usual Early genes will not be translated ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes What are genes? A fragment of DNA A portion of a chromosome All of these The functional unit of inheritance A fragment of DNA A portion of a chromosome All of these The functional unit of inheritance ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes DNA is methylated at AC sequences CG sequences CAAT sequences TATA sequences AC sequences CG sequences CAAT sequences TATA sequences ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Which of the following is not a transcription factor? Zinc finger proteins Leucine zipper proteins Steroid hormones Helix-turn-helix proteins Zinc finger proteins Leucine zipper proteins Steroid hormones Helix-turn-helix proteins 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 An accident of evolution None of these 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 An accident of evolution None of these The bacteria chromosome is so small; many different genes must be controlled by the same promoter ANSWER DOWNLOAD EXAMIANS APP
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