Glycogen is a polymer of:

(1) Galactose

(2) Glucose

(3) Fructose

(4) Sucrose

An enzyme brings about:

The backbone of a DNA molecule is formed by:

A glycosidic bond connects:

The inhibition of succinic dehydrogenase by malonate is an example of:

The enzymes that catalyse removal of groups from substrates by mechanisms other than hydrolysis leaving double bonds are called as:

The following diagram depicts the structure of a:

1. Nucleoside
2. Nucleotide
3. Nitrogen containing Monosaccharide
4. Glycoprotein

Which of the following is the simplest amino acid -

1. Alanine 

2. Asparagine

3. Glycine 

4. Tyrosine

Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by -

1. Base-sugar-OH

2. Base-sugar-phosphate

3. Sugar-phosphate

4. (Base-sugar-phosphate)_n

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