Xylem Phloem are the vascular tissues that transport the food, minerals and water within the plant. Xylem transport the water and minerals while Phloem transport food and nutrients. The movements in Xylem is unidirectional from roots to aerial parts while the movements in Phloem are bidirectional.
Summarize how the overharvesting of a single species, such as a baleen whale, can affect an entire ecosystem. Overharvesting the baleen whale would affect the entire ecosystem by changing the relationships among the organisms in the food web.
I believe <span>a </span>regulatory<span> repressor </span>protein<span> is normally bound to the operator. This prevents the transcription of the genes on the </span>operon<span>.</span>
