If a particular operon encodes enzyme for making an essential amino acid and is regulated like the trp operon, :

Astudent conducts an experiment to determine how the amount of water given to a plant affects it growth what is the dependent variable for this experiment

When is your breathing likely to speed up? a. when your white blood cells increase b. when your cells need more energy c. when your heart cells need more carbon dioxide d. when your blood cells have too much oxygen

Which measurement unit represents volume? liter kilometer square centimeter centigram