Carbohydrates：练习题

Which of the following is a simple carbohydrate classified as a disaccharide?

Pectin is a complex carbohydrate found in the cell walls of many fruits. What is its primary function when used in food preparation?

Which of the following is an example of a disaccharide commonly found in germinating cereals?

Carbohydrates are macronutrients composed of specific chemical elements. What are the three primary elements found in a carbohydrate molecule, and what are the resulting monosaccharides after the complete digestion of carbohydrates?

Which of the following complex carbohydrates is an insoluble polysaccharide forming the main structural component of plant cell walls?

(a) Name the three monosaccharides produced at the end of carbohydrate digestion.
(b) State one rich food source of pectin.

(a) State the three chemical elements present in all carbohydrate molecules.
(b) Name the three monosaccharides produced as the end products of carbohydrate digestion.
(c) Differentiate between simple carbohydrates and complex carbohydrates by stating their structural classification (e.g. types of saccharides).