What is the change in the internal energy of a system that does 5,000 joules of work and absorbs 20,000 joules of heat?

Match the digestive enzymes to the macromolecules they to digest. break down fats into glycerol and fatty acids break down carbohydrates into simple sugars break down nucleic acids into nitrogenous bases and simple sugars break down proteins into amino acids

Why is it to call the calvin cycle the light independent reactions vs the dark reactions

Which organelle plays a role in intracellular digestion?