Which was the first genetic regulatory mechanism to be understood clearly?
ALac operon regulation
BAlternative splicing
CEnhancer looping
DDNA methylation
Answer & Solution
Correct answer: A. Lac operon regulation
Lac operon regulation was worked out first and became the model for prokaryotic gene control.
Related questions
Besides allolactose, which artificial inducer binds the lac repressor?At which level does the lac operon control gene expression?The lac repressor is an allosteric protein. What does this mean?The lac repressor is made of how many identical subunits?Sequential use of glucose then lactose in two growth phases is called what?How does the cAMP level relate to glucose availability?Lac genes are co-transcribed into which kind of mRNA?The lacI gene is expressed in what way?