Insulin in Humans

Q.

How many short polypeptide chains are seen in insulin?

Q.

__________ is a globular protein of 6 kDa consisting of 51 amino acids arranged in 2 polypeptide chains held together by a disulphide bridge.

1. Glucagon

2. Insulin

3. Fibrinogen

4. Keratin

Q. The processing of proinsulin into mature insulin includes

1. addition of C peptide
2. removal of C peptide
3. removal of A peptide
4. removal of B peptide

Q. The number of disulphide bonds present in between the A and B chains of insulin are

1. One
2. Two
3. Three
4. Four

Q.

Which bond is present between adjacent glucose units in polysaccharides?

1. Peptide bond

2. Glycosidic bond

3. Ester bond

4. Hydrogen bond

Q. Mature Insulin does not contain_____

1. A peptide
2. B peptide
3. C peptide
4. Disulphide bonds