In living systems:__________,
1. proteins/ carbohydrates / both / neither are used as structural materials
2. proteins / carbohydrates / both / neither are used as short term energy storage in plants
3. proteins / carbohydrates / both / neither are used as information storage
4. proteins / carbohydrates / both / neither are used as catalysts.
i think that 3 option is correct because proteins and carbohydrates are not used as information storage while in all options the functions that are described are relative to them
