Q
QuestionBiochemistry

"Which of the following best describes a disaccharide? It is two monosaccharides joined together. It is a group of monosaccharide pairs. It is two trisaccharides joined together. It is many monosaccharides joined together."
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Answer

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Step 1
: Identify the definition of a disaccharide

A disaccharide is a type of carbohydrate that consists of two monosaccharides joined together through a glycosidic bond.

Step 2
: Eliminate incorrect options

Option B: "It is a group of monosaccharide pairs." – This is incorrect because a disaccharide is specifically two monosaccharides joined together, not just a group of them. Option C: "It is two trisaccharides joined together." – This is incorrect because a trisaccharide consists of three monosaccharides, not two. Option D: "It is many monosaccharides joined together." – This is incorrect because a disaccharide is specifically two monosaccharides joined together, not many.

Final Answer

The best description of a disaccharide is "It is two monosaccharides joined together."