When we homogenize any tissues in an acid the acid soluble pool represents

1.	Cytoplasm	2.	Cell membrane
3.	Nucleus	4.	Mitochondria

A pure protein should normally have

What level of protein organization structure explains the 3-D shape of an enzyme?

The graph shown below shows the effect of a certain factor on the rate of a reaction catalyzed by an enzyme. The X-axis would show the said factor and that will be:

Consider the following two statements regarding enzyme action:

Of the above statements:
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. I is incorrect but II is correct

An alpha helix is a:
1. primary structure of a protein
2. secondary structure of a protein
3. tertiary structure of a protein
4. quaternary structure of a protein

The inhibition of succinic dehydrogenase by malonate is an example of:
1. Non-competitive reversible inhibition
2. Non-competitive irreversible inhibition
3. Competitive inhibition
4. Allosteric inhibition

Consider the following enzymes:
I. Catalase
II. Peroxidase
III. Carboxypeptidase
Which of these enzymes require haem as a co-factor for their activity?

Chitin, a complex polysaccharide, is found in:

Which of the following is not an aromatic amino acid?