Which of the Following Best Describes the General Strategy of Metabolic

Multiple Choice

Which of the following best describes the general strategy of metabolic gene regulation in prokaryotes?

A) Genes are always on for early steps in the pathway, but genes for later steps are generally off.
B) Genes are turned on and off as conditions change.
C) Genes are independently regulated.
D) Genes are always on so the bacteria can respond rapidly to changing conditions.