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Multiple Choice
Which of the following molecules consists of two monosaccharides bonded together?
A
Disaccharide
B
Monosaccharide
C
Polysaccharide
D
Oligosaccharide
Verified step by step guidance
1
Understand the basic definitions: A monosaccharide is the simplest form of carbohydrates, consisting of a single sugar molecule. A disaccharide is composed of two monosaccharide units linked together. A polysaccharide consists of many monosaccharide units, and an oligosaccharide contains a few monosaccharide units, typically between three and ten.
Identify the key feature of the question: The problem asks for a molecule that consists of two monosaccharides bonded together.
Recall the definition of a disaccharide: A disaccharide is a carbohydrate formed when two monosaccharides undergo a dehydration reaction, which involves the removal of a water molecule.
Compare the options: Monosaccharide (single sugar unit), Disaccharide (two sugar units), Polysaccharide (many sugar units), Oligosaccharide (a few sugar units).
Conclude that the molecule consisting of two monosaccharides bonded together is a disaccharide, based on the definitions and comparison of the options provided.