why is one end of polysaccchride reducing and other end non reducing

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Read the given statements and select the correct option.
i.Right end of a polysaccharide chain is called reducing end while left end is called non-reducing end.
ii.Starch can hold iodine molecules in its helical secondary structure but cellulose being non-helical, cannot hold iodine.
iii.Starch and glycogen are branched molecules.
iv.Starch and glycogen are the reserve food materials of plants and animals, respectively.

Q. How many of the given statements are correct?
A. Water is the most abundant chemical in the living organisms.
B. A protein is a heteropolymer and not a homopolymer.
C. In polysaccharide,left end is called reducing end & right end is called non-reducing end.
D. A nucleoside is the building block of nucleic acids, which consist of a heterocyclic compound, a monosaccharide and a phosphate.

Q. A linear polymeric biomolecule with reducing and non-reducing ends is

Q. Read the following statements:
i) Chitin, starch, glycogen and agar-agar are homopolymers ii) In a glycogen, the left end is called the non-reducing end
iii) Starch forms helical secondary structures but cellulose does not contain complex helices.
iv) Cellulose Can easily hold iodine.
v) Chitin is a storage polysaccharide How many of the above statements are correct?

Carbohydrates are classified on the basis of their behaviour on hydrolysis and also as reducing or non-reducing sugar. Sucrose is ............. .
(a) monosaccharide (b) disaccharide
(c) reducing suager (d) non-reducing sugar

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