Question

All of the followings are proteins except ______

1.sickle-cell hemoglobin

2.hormones

3.collagen

4.enzymes

5.cellulose

6.steroids

Answer 1

The enzymes are proteinaceous in nature.Enzymes denature at high temperature because the proteins denature at high temperature.

There are certain hormones which are peptidal in nature like insulin, gastrin hormone.

Cellulose is a complex polysaccharide composed of glucose molecules.There is no carbohydrate, fat or protein in the cellulose.It gives rigidity to the plant cell.

There are certain steroids like amino acid supplements used by the athletes for improving their field performance.

Collagen is insoluble fibrous protein and inert protein.It is present in the connective tissue and provides strength to the bones, teeth etc.

Sickle cell disease affects the red blood cell and the y are not able to deliver the oxygen to the tissues.This result in anaemia due to lower number of red cell. Haemoglobin is a protein that contains two alpha and twp beta chain and is the quaternary structure of the protein.

So the right answer is 5 cellulose