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Which is correct statement?

1. (a) Starch is a polymer of α-glucose
2. (b) In cyclic structure of fructose, there are four carbons and one oxygen atom
3. (c) Amylose is a component of cellulose
4. (d) Proteins are composed of only one type of amino acids

Correct answer: (a) Starch is a polymer of α-glucose

Solution

Starch is indeed a polymer of α-glucose, while the other statements are incorrect: (b) fructose has five carbons and one oxygen in its cyclic structure, (c) amylose is a component of starch, not cellulose, and (d) proteins are composed of multiple types of amino acids.

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