Explain the following terms : (2 marks)
(i) Invert sugar (ii) Polypeptides
(i) Invert sugar : An equimolar mixture of glucose and fructose obtained by hydrolysis of sucrose
in presence of an acid such as dil. HCl or the enzyme invertase or sucrase is called invert sugar.
(ii) Polypeptides : They are formed when several molecules of -amino acids are joined together
by peptide bonds.