W hich of the following statements are correct? (i) Chitin, a complex or heteropolysaccharide oc...

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W hich of the following statements are correct?
(i) Chitin, a complex or heteropolysaccharide occuring in exoskeleton consists of NAG.
(ii) Glucosamine and N-acetyl glucosamineare modified sugar.
(iii) C ellulose shows blue colour when treated with \( \mathrm{I}_{2} \).
(iv) Starch in plants and glycogen in animals are store houses of energy.
(v) Right end of polysaccharide is called reducing end whileleft end is called non-reducing end.
(A) (i), (ii) and (iii)
(B) (iii), (iv) and (v)
(C) All except (iii)
(D) All except (v)
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