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Salivary amylase starts acting on which nutrient?

Answer and explanation

Correct answer: Starch

Salivary amylase is an enzyme secreted by the salivary glands and mixed with food in the mouth. Its substrate is starch, a complex carbohydrate. The enzyme begins hydrolysing starch into simpler sugars such as maltose, although digestion continues elsewhere in the alimentary canal. Therefore option A is correct; fats require lipases, proteins require proteases, and minerals do not need enzymatic digestion.

Related tags

Salivary AmylaseStarchMouthDigestionEnzymesLife ProcessesWorld Of LivingScience

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