Which of the following pairs does NOT represent a correct relationship?
A. glucose; polysaccharide
B. starch; polysaccharide
C. starch; carbohydrate
D. glucose; carbohydrate
E. glucose; monosaccharide
Answer (3)
A) is incorrect as glucose is a single sugar and not a string of 2 or more sugars such a sucrose is.
The pair that is not the correct relationship is glucose and polysaccharide . The correct option is A .
What is a polysaccharide?
The sugar that is included in carbohydrates is referred to as saccharide . As these sugar joined together by certain bonding they lead to the formation of a polymer chain .
This polymer chain having several sugar units is referred to as a polysaccharide .
Glucose is a monomer and is the smallest unit of polysaccharide .
Thus, the correct option is A .
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The correct answer is A. glucose; polysaccharide, as glucose is a monosaccharide and not a polysaccharide. All other pairs correctly define relationships among carbohydrates. Thus, A is the pair that does not represent a correct relationship.
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