What is the husk of cotton made up of

 The husk of cotton is made of peel comprising of 35% of cellulose. The material is essential to not only make the cotton thin but also durable.

Explanation:

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme