Disaccharides: Sucrose-fruit, table sugar. Lactose-milk. Maltose-germinating seeds. Polysaccharides: Starch: bread, rice, pasta, potatoes, seeds. Cellulose: fruit, vegetables, wholegrain cereals, nuts. Structural Role of Carbohydrates. 1  Cellulose walls of plant cells. 2  Chitin in the cell walls of fungi.
A RCRA hazardous waste is a waste that either appears on one of three lists created by the U.S. Environmental Protection Agency, or, if not on the lists, exhibits one of four characteristics of hazardous waste.
Hazardous waste. Industrial and hospital waste is considered hazardous as they may contain toxic substances. Certain types of household waste are also hazardous. Hazardous wastes could be highly toxic to humans, animals, and plants; are corrosive, highly inflammable, or explosive; and react when exposed to certain things e.g. gases.