Genetic Regulation Prokaryotes Why are several structural genes regulated as a unit in bacteria? None of these An accident of evolution 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 None of these An accident of evolution 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 ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes A mutation in the tip binding site of the repressor would result in inducible trp operon expression constitutive trp operon expression no operon expression None of these inducible trp operon expression constitutive trp operon expression no operon expression None of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes The lac operon is translated into __________ proteins. 4 2 3 1 4 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Genes which need to be coordinately regulated but are not in operons may be regulated by GC regions TATA boxes CAAT regions common transcription factor binding domains GC regions TATA boxes CAAT regions common transcription factor binding domains ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes What are genes? A fragment of DNA All of these A portion of a chromosome The functional unit of inheritance A fragment of DNA All of these A portion of a chromosome 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 None of these cAMP increases lac Z gene expression is increased Binding of CAP-cAMP complex to the promoter area decreases None of these cAMP increases lac Z gene expression is increased ANSWER DOWNLOAD EXAMIANS APP