Answer the following :
(a) Out of socrose and maltose, which is a reducing sugar ?
(b) Can denaturation of egg proteins be reversed ?
(c ) To which class of biomolecules, pectins belong ?
(d) Name the monomer units of starch.
(e ) NAme three products which can be obtained from cellulose.
(f) Classify the following into globular and fibrous proteins : insulin, haemoglobin, fibroin, collagen, albumin, myosin.

Explanation

(a) Maltose is a reducing sugar.
(b) No it cannot be reversed.
(c ) Pectins are carbohydrates in nature.
(d) The monomer units of starch are `alpha-D(+)` glucose molecules.
(e ) Products obtained from cellulose are rayons, celluloes acetate and ethyl cellulose.
(f) Globular proteins : Insulin, haemoglobin, albumin
Fibraous proteins : Fibroi, collagen, myosin.