I:	Small organic molecules
II:	Difficult to remove without denaturing the enzyme
III:	Haem is an example

The above characters are of which of the following co-factors of an enzyme?

1.	Metal ions	2.	Prosthetic groups
3.	Co-enzymes	4.	Apoenzymes

Inhibition of succinate dehydrogenase by malonate is an example of:

1. Non-competitive inhibition

2. Competitive inhibition

3. Antagonism

4. Synergism

Identify the given compound:

1. An amino acid

2. A purine base

3. Polysaccharide containing nitrogen

4. Prostaglandin

The K_m value of an enzyme denotes the substrate concentration at which the enzyme catalyzed reaction:

NAD and NADP are consider as

The following diagram shows the molecular structure of:

The number of correct statements amongst the given statements is:

I. Amino acids are substitute methanes.

II. The R group in serine is hydroxyl-methyl.

III. Arachidonic acid has 20 carbon atoms including the carboxyl carbon.

IV. Glycerol is trihydroxypropane.

V. Lecithin is a phospholipid.

 1.  2     

 2.  3

 3.  4   

 4.  5

Which of the following is the simplest amino acid?

1. Alanine 

2. Asparagine

3. Glycine 

4. Tyrosine

The essential chemical components of many coenzymes are:
1. Nucleic acid
2. Carbohydrates
3. Vitamins
4. Proteins

Which one of the following structural formulae of two organic compounds are correctly identified along with its related function?