Define and give an example of a monosaccharide, disaccharide, and a polysaccharide.

1. Define and give an example of a monosaccharide, disaccharide, and a polysaccharide.
2. What kinds of foods contain carboxylic acids?
3. What kinds of foods contain esters?
4. What role does carbohydrate intake play in chronic obstructive pulmonary disease? 5.What dietary recommendations are usually given to patients with COPD?