Define;

(a) Give one example of essential and non-essential amino acids

(b) Differentiate between keratin and insulin                        

OR

Define the following:

(a)    monosaccharaides

(b)   Vitamin

(a) Essential amino acid- Valine

      Non-essential amino acid – Keratin

(b) Keratin is fibrous protein while glucose is a globular protein.                                                                 

OR

(a) Simple carbohydrates which cannot be hydrolyzed further to simpler carbohydrates are called monosaccharides, e.g. glucose, fructose, etc.

(b) Vitamins are organic the compounds required in small amounts to perform specific biological functions for normal maintenance of growth and health.