A) Starch is polymer of \[\alpha \]-glucose
B) Amylose is a component of cellulose
C) Protiens are composed of only one type of amino acid
D) In cyclic structure of fructose, there are four carbons and one oxygen atom
Correct Answer: A
Solution :
Starch is also known as amylum which occurs in all green plants. A molecule of starch \[{{({{C}_{6}}{{H}_{10}}{{O}_{5}})}_{n}}\] is built of a large number of a-glucose ring joined through oxygen-atom.
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