Most of the starch stored in the cells of a potato is composed of molecules that originally entered these cells as

a. Enzymes

b. Simple sugars

c. Minerals

d. Amino acids

Correct option is B. (Simple sugar).

Explanation:

Starch is polysaccharide which is made up of many monomers know as monosaccharides which are known as sugar. All carbohydrates are made up of one or more sugar molecules.

Simple sugar are known as monosaccharides which is composed of single sugar molecule. Some examples of these sugars are fructose, glucose, and sucrose. When the body consumes these carbohydrate compounds they are converted to natural sugar molecules where they are used for energy.