College Biology Exam 1 Practice Test

Complex carbohydrates made of long chains of monosaccharides are called what?

Monosaccharide Disaccharide Polysaccharide Protein

Correct Answer:

Polysaccharide

Explanation:

The concept here is how carbohydrates are categorized by the number of sugar units they contain. A polysaccharide is a long chain of monosaccharides linked together by glycosidic bonds. The prefix “poly-” means many, so polysaccharides are made of many sugar units, which is what “complex carbohydrates made of long chains of monosaccharides” describes. Examples include starch and glycogen for energy storage, and cellulose for structure. Monosaccharides are single sugar units; disaccharides are two linked sugars; proteins are made of amino acids, not sugars. That long-chain polysaccharide structure is what makes this the correct term.

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