Genetic Regulation Prokaryotes In the presence of tryptophan in the cell, the repressor is __________ 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 bound to both DNA and tryptophan ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes A mutation in the tip binding site of the repressor would result in no operon expression inducible trp operon expression None of these constitutive trp operon expression no operon expression inducible trp operon expression None of these constitutive trp operon expression ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes DNA is methylated at CAAT sequences AC sequences CG sequences TATA sequences CAAT sequences AC sequences CG sequences TATA sequences ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Which of the following is not a transcription factor? Steroid hormones Leucine zipper proteins Zinc finger proteins Helix-turn-helix proteins Steroid hormones Leucine zipper proteins Zinc finger proteins Helix-turn-helix proteins 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 Which of the following occur in the presence of glucose? Binding of CAP-cAMP complex to the promoter area decreases lac Z gene expression is increased None of these cAMP increases Binding of CAP-cAMP complex to the promoter area decreases lac Z gene expression is increased None of these cAMP increases ANSWER DOWNLOAD EXAMIANS APP
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