Answer:
Explanation:
I would say photosynthesis because it creates all life for any living plants
In terms of macromolecules, needed and utilized by organisms to carry out essential metabolic chemical reactions and for maintaining structure would be Lipids.
Lipid based molecules or Fats tend to store the most energy, as breaking chemical bonds connecting fatty acid chains of long hydrocarbons releases quite a bit of energy.
The answer would be ( D. formation of cell walls)
