Genetic Regulation Prokaryotes Catabolite activating protein exerts __________ control on transcription of the lac operon genes. negative positive may be positive or negative none of these negative positive may be positive or negative none of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Methylated gene are either (a) or (b) dynamic silent active either (a) or (b) dynamic silent active ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes In the presence of high levels of tryptophan None of these attenuator propogates transcription attenuator allows transcription of trp structural genes attenuator terminates transcription None of these attenuator propogates transcription attenuator allows transcription of trp structural genes attenuator terminates transcription ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes The lac operon is translated into __________ proteins. 4 3 2 1 4 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Which of the following is not a transcription factor? Helix-turn-helix proteins Steroid hormones Leucine zipper proteins Zinc finger proteins Helix-turn-helix proteins Steroid hormones Leucine zipper proteins Zinc finger proteins ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Why are several structural genes regulated as a unit in bacteria? 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 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 ANSWER DOWNLOAD EXAMIANS APP
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