Which transports glucose into cells is

1. Trypsin

2. Keratin

3. Haemogiobin

4. GLUT-4

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

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

(1)Collagen

(2)Albumin

(3)RUBISCO

(4)Antibody

Antibodies that help to fight infectious agents are

1. Polysaccharides

2. Amino acids

3. Proteins

4. Glucose

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 

Proteins are 

1. Macromolecules

2. Homopolymers

3. Micromolecules

4. Polymers of starch

"Ramachandran plot" is used to confirm the structure of:

1. RNA

2. Proteins

3. Triacylglycerides

4. DNA

In amino acid is a

1. Substituted methane

2. Substituted ethane

3. Any acid having amino group

4. Derivative of indoacetic acid

The formation of amide bond shows which type of reaction

1.Substitution reaction

2.Elimination reaction

3.Addition reaction

4.Rearrangement reaction

Where would you expect to find serine and alanine amino acids in a globular protein in aqueous solution?

(1) Serine would be in the interior, and alanine would be on the exterior of the globular protein.

(2) Alanine would be in the interior, and serine would be on the exterior of the globular protein.

(3) Both serine and alanine would be in the interior of the globular protein.

(4) Both serine and alanine would be on the exterior of the globular protein.