Which of the following is a disaccharide?

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Study for the HOSA Foundations of Nutrition Test. Enhance your knowledge with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

Which of the following is a disaccharide?

Explanation:
Disaccharides are carbohydrates made of two monosaccharide units joined by a glycosidic bond. Maltose fits this description because it consists of two glucose molecules linked by an α1→4 bond. The other options are monosaccharides—single sugar units—such as glucose, galactose, and fructose. Maltose is commonly produced during starch digestion when the enzyme maltase splits the two glucose units, and it can then be broken down further into glucose for energy. So, the disaccharide here is maltose.

Disaccharides are carbohydrates made of two monosaccharide units joined by a glycosidic bond. Maltose fits this description because it consists of two glucose molecules linked by an α1→4 bond. The other options are monosaccharides—single sugar units—such as glucose, galactose, and fructose. Maltose is commonly produced during starch digestion when the enzyme maltase splits the two glucose units, and it can then be broken down further into glucose for energy. So, the disaccharide here is maltose.

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