Plant cells must form a new cell wall between the two daughter cells during cytokinesis.
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.
C they can infect a host and cause disease
Edge 2020
The protein could become denature at extreme temperatures. When this happens its functionality could be incredibly reduced