ATP:Energy current .ATP is generated by combustion of carbohydrates,fats and proteins Energy from ATP can be used by cells: Synthesis and growth Muscular contraction Glandular secretion Nerve conduction Active transportationATP: Energy current •ATP is generated by combustion of carbohydrates, fats and proteins •Energy from ATP can be used by cells: Synthesis and growth Muscular contraction Glandular secretion Nerve conduction Active transportation