Genetic Regulation Prokaryotes The lac operon is translated into __________ proteins. 1 3 4 2 1 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes What are genes? A portion of a chromosome The functional unit of inheritance All of these A fragment of DNA A portion of a chromosome The functional unit of inheritance All of these A fragment of DNA ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Why are several structural genes regulated as a unit in bacteria? 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 None of these 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 constitutive trp operon expression None of these no operon expression inducible trp operon expression constitutive trp operon expression None of these ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes In the presence of tryptophan in the cell, the repressor is __________ bound to both DNA and tryptophan bound to DNA bound to neither tryptophan nor DNA bound to tryptophan bound to both DNA and tryptophan bound to DNA bound to neither tryptophan nor DNA bound to tryptophan ANSWER DOWNLOAD EXAMIANS APP
Genetic Regulation Prokaryotes Sex lethal (sxl) in Drosophila is transcribed when the X autosome balance is less than 0.5 the X autosome balance is 1 or greater None of these the X autosome balance equals 0.5 the X autosome balance is less than 0.5 the X autosome balance is 1 or greater None of these the X autosome balance equals 0.5 ANSWER DOWNLOAD EXAMIANS APP