(a) What are essential and non-essential amino acids ? Give two examples of each type. (3 marks)
(b) What are the hydrolysis products of sucrose ?
(a) Non-essential amino acids : The amino acids which can be synthesised in the body, are
known as non-essential amino acids.
Example : Glycine, Alanine etc.
Essential amino acids : The amino acids which cannot be synthesised in the body and must
be obtained through diet are known as essential amino acids.
Example : Valine, Leucine etc.
(b) Sucrose on hydrolysis gives equimolar mixture of D(+) -glucose and D(-) fructose