Basically, macro molecules fall into four classes;
The lipids
The carbohydrates
The proteins
The nucleic acids
The fact that their role revolve around energy production by carbohydrates, energy storage and insulation by lipids, storage of genetic material by nucleic acids and structural support by proteins means this can be equated to the executive arm of the government that deals in provision of social amenity, protection, creation of job opportunities and sustaining a country's culture.
B. Healthier ecosystems. If you're talking about benefits, this is the only positive on this list. The others are listing the difficulties or downsides.
Fermentation
The electron transport chain gives off 32 ATP the kreb cycle gives off 2 and so does glycolysis. Fermentation happens in muscles or alcohol
