14. Genes organized into an operon are beneficial to certain bacteria because the operon allowsfor
(A) differential regulation of individual genes that encode proteins with a common function.
(B) coordinated regulation of a group of genes that encode proteins with a common function.
(C) separate regulation of individual genes that encode proteins with different functions.
(D) coordinated regulation of a group of genes that encode proteins with different functions.
(E) coordinated regulation of a group of proteins involved in numerous cellular activities.