Starch molecule cannot enter a cell right after a person eats a meal with starchy food because a starch molecule is too large to fit into a cell and needs to first be broken down into smaller glucose molecules in the digestive system. That is option A.
Digestion of food is the process that involves mixing, movement and breakdown of the food molecules into simple absorbable smaller molecules.
The nutrient components that could be found in the food are:
- carbohydrates (starch)
- Proteins
- fats and oil
- vitamins and
- minerals
The starch, which is a complex carbohydrate, when ingested from starchy foods, is acted upon by the salivary and pancreatic amylases.
The amylases helps to break the starch into smaller glucose molecules in the digestive system that aids in the absorption.
Therefore, starch molecules enter the cells after it has been converted to a smaller absorbable glucose molecule.
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