Genetic Regulation Prokaryotes In the presence of high levels of tryptophan attenuator terminates transcription attenuator allows transcription of trp structural genes attenuator propogates transcription None of these attenuator terminates transcription attenuator allows transcription of trp structural genes attenuator propogates transcription None of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes What are genes? A fragment of DNA The functional unit of inheritance All of these A portion of a chromosome A fragment of DNA The functional unit of inheritance All of these A portion of a chromosome ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes DNA is methylated at AC sequences CAAT sequences CG sequences TATA sequences AC sequences CAAT sequences CG 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 The lac operon is translated into __________ proteins. 3 1 2 4 3 1 2 4 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 An accident of evolution None of these 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 An accident of evolution None of these It allows coordinating regulation of genes with a common function ANSWER DOWNLOAD EXAMIANS APP
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