Question

In our bodies, the enzyme amylase is present in saliva and breaks down starch molecules into maltose. In our

intestines, the enzyme maltase breaks down maltose
into two glucose molecules. In your Evidence Notebook,
develop a model demonstrating what effect an amylase
enzyme deficiency would have on a person.

Answer 1

An amylase enzyme deficiency interferes with the digestion of starches in the mouth, which leads to undigested starch entering the small intestine and can cause gastrointestinal symptoms and decreased nutrient absorption.

Step-by-step explanation:

An amylase enzyme deficiency would hinder the body's ability to break down starches into maltose in the initial stages of digestion. Normally, salivary amylase in the mouth begins the breakdown of starch into shorter polysaccharides and disaccharides such as dextrins and maltose, a process that is essential for the efficient digestion of carbohydrates. Without sufficient amylase, starches would enter the small intestine largely undigested, leading to potential issues such as undigested starch reaching the large intestine, which could cause gastrointestinal symptoms or decreased absorption of nutrients.

Amylase also works in conjunction with other digestive enzymes, so a deficiency could disrupt the overall digestive process. In particular, it would lead to an increased workload for enzymes in the small intestine and potentially affect blood sugar levels since glucose, the ultimate product needed for energy, would be produced in smaller quantities. People with such a deficiency may need to manage their diet carefully, avoiding high-starch foods that they cannot properly digest.