Starch and glucose are carbohydrates (sugars). The body breaks the starch molecules into glucose as the former is too large to diffuse into cells. Thus, option B is correct.
What are simple and complex sugars?
Simple sugars are carbohydrates that are monomers and have a small size due to a single molecule composition. On the other hand, complex sugars are large chains with many molecules.
Starch is a complex sugar, is large, and made of glucose molecules linked to form the polysaccharide. Their large size hinders their movement in the cell through the semipermeable membrane.
Therefore, the starch is broken down into glucose for easy transportation.
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