Concept explainers
A monosaccharide is formed from a polysaccharide in what kind of reaction?
oxidation-reduction reaction - anabolic reaction
- catabolic reaction
- biosynthetic reaction
Introduction:
The monosaccharide are the simplest form of sugars molecules. The more than three monosaccharide molecules form a polysaccharide molecule. The polysaccharide are formed by joining more than three monosaccharide molecules.
Answer to Problem 1RQ
The correct answer is option (c) catabolic reaction.
Explanation of Solution
Explanation/justification for the correct answer:
Option (c) catabolic reaction. The formation of monosaccharide from the complex polysaccharide molecules is a type of catabolic reaction. The polysaccharide molecule undergoes a catabolic reaction in which the complex polysaccharide molecule breaks into simple monosaccharide molecules with the release of water molecules. So, the correct answer is option (c).
Explanation for incorrect answer:
Option (a) oxidation-reduction reaction. It involves the transfer of electrons between two molecules. It involves the change in oxidation number of the molecules by accepting or donation electrons. In the conversion of polysaccharide into monosaccharide there is no exchange of electrons. So, this is an incorrect option.
Option (b) anabolic reaction. An anabolic reaction is a type of metabolic reaction, which involves energy to build up the simple molecules into complex molecules. These reaction are endergonic in nature. So, this is an incorrect option.
Option (d) biosynthetic reaction. The biosynthetic reaction is a type of anabolic reaction, it is a multistep and enzyme catalysed reaction. In this reaction the substrate molecules are converted into more complex molecules. So, this is an incorrect option.
The polysaccharide molecule undergoes a catabolic reaction in which the complex polysaccharide molecule breaks into simple monosaccharide molecules with the release of water molecules. Hence, the correct answer is option (c) catabolic reaction.
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