Explore the detailed and printable Map of Callahan County in Texas, USA. Callahan County Map shows the county boundaries, the county seat, major cities, highways, roads, rail network, airport, and point of interest. Maps of World Current, Credible, Consistent
Carbohydrates: The Monosaccharides. The term carbohydrate was originally used to describe compounds that were literally hydrates of carbon because they had the empirical formula CH 2 O. In recent years, carbohydrates have been classified on the basis of their structures, not their formulas.
Definition of Carbohydrate. Carbohydrate: One of the three nutrient compounds, along with fat and protein, used as energy sources (calories) by the body. Carbohydrates take the form of simple sugars or of more complex forms, such as starches and fiber. Complex carbohydrates come naturally from plants. Intake of complex carbohydrates, when they are substituted for saturated fat, can lower blood cholesterol. Carbohydrates produce 4 calories of energy per gram.