Choose the correct Statements.
i. Starch in plants and glycogen in animals are storage molecules
ii. Starch can hold iodine, molecules in its helical loops but cellulose being non-helical cannot hold iodine.
iii. Chitin, a heteropolysaccharide occurring in the exoskeleton of arthropods, consists of N-acetyl glucosamine.
iv. Right end of polysaccharide is called reducing end while left end is called non-acetyl glucosamine.
1. i and ii only
2. ii and iii
3. i, ii and iv
4. iii only