In amino acid is a

1. Substituted methane

2. Substituted ethane

3. Any acid having amino group

4. Derivative of indoacetic acid

The unique properties of each amino acid are determined by its particular:

1. R group

2. Amino group

3. Kinds of peptide bonds

4. Number of bonds to other amino acids 

Which transports glucose into cells is

1. Trypsin

2. Keratin

3. Haemogiobin

4. GLUT-4

Antibodies that help to fight infectious agents are

1. Polysaccharides

2. Amino acids

3. Proteins

4. Glucose

Which of the following is the most abundant protein in the whole of the biosphere?

(1)Collagen

(2)Albumin

(3)RUBISCO

(4)Antibody

The formation of amide bond shows which type of reaction

The tertiary structure of proteins can be destroyed by

1. High energy radiations

2. High temperature

3. Drastic changes in pH

4. All of these

Proteins are 

1. Macromolecules
2. Homopolymers
3. Micromolecules
4. Polymers of starch