NURSING EXAM QUESTIONS
BIOCHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Lactase is an enzyme that has a specific substrate it breaks down called lactose. When lactase breaks down lactose both galactose and ____ are formed as products.
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fructose
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glucose
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sucrose
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cellulose
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Explanation:
Detailed explanation-1: -Lactase functions at the brush border to break down lactose into smaller sugars called glucose and galactose for absorption.
Detailed explanation-2: -Lactose is a sugar found in milk and milk products. Lactose intolerance happens when your small intestine does not make enough of a digestive enzyme called lactase. Lactase breaks down the lactose in food so your body can absorb it.
Detailed explanation-3: -How is lactose digested? Lactose digestion occurs in the small intestine with the help of the enzyme known as lactase. Lactase breaks down lactose into the monosaccharides galactose and glucose, which makes them available for absorption. Glucose ultimately gets taken up by our cells with the help of insulin.
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