Final answer:
Proteins and complex carbohydrates are essential biomolecules functioning in energy storage, structure, and various biological processes. They can be chemically broken down and restructured, with polysaccharides providing energy in the form of glucose and proteins being broken down into amino acids.
Step-by-step explanation:
Both proteins and complex carbohydrates are biomolecules that serve numerous functions in living organisms and can undergo chemical breakdown and restructuring. These two types of macromolecules are essential in various biological processes.
While complex carbohydrates, especially polysaccharides like starch and glycogen, primarily serve as energy storage molecules, proteins made up of amino acids are involved in functions such as catalyzing biochemical reactions (as enzymes), acting as signaling molecules or receptors, and providing structural support.
Polysaccharides can be broken down into glucose units to provide energy, and similarly, proteins can be digested into amino acids for use in new protein synthesis or for energy.