What must be done before nutrients can be used as cell growth repair and energy?

Before nutrients can be utilized for cell growth, repair, and energy, they must first be digested and absorbed into the bloodstream. This process involves breaking down complex food substances into simpler forms, such as amino acids, fatty acids, and glucose. Once absorbed, these nutrients are transported to cells, where they undergo metabolic processes, including cellular respiration and synthesis, to produce energy and support cellular functions.