Multiple Choice
Which statement below correctly distinguishes accessory organs from organs of the gastrointestinal (GI) tract?
3. The Human Body & Digestion
Overview of the Digestive System
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Which enzyme digests carbohydrates?
A
Amylase.
B
Pepsin.
C
Lipase.
D
Protease.
Verified step by step guidance1
Understand the role of enzymes in digestion: Enzymes are biological catalysts that help break down macronutrients (carbohydrates, proteins, and fats) into smaller molecules for absorption.
Identify the macronutrient in question: The problem asks about the enzyme that digests carbohydrates. Carbohydrates are broken down into simple sugars like glucose.
Review the function of each enzyme listed: Amylase breaks down carbohydrates into simpler sugars. Pepsin digests proteins. Lipase digests fats. Protease also digests proteins.
Match the correct enzyme to the macronutrient: Since carbohydrates are the focus, the enzyme responsible for their digestion is amylase.
Conclude that amylase is the correct answer, as it specifically targets carbohydrates and breaks them down into simpler sugars like maltose and glucose.
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