The structure of insulin consists of two polypeptide chains A and B . These two polypeptide chains

Insulin has two polypeptide chains. These polypeptide chains are held together by

Insulin has two polypeptide chains. These polypeptide chains are held together by

Explain initiation of polypeptide chain.

Assertion : All immunoglobulin molecules have a basic structure compsed of four polypeptide chains. Reason : The polypeptide chains consists two identical heavy and light chain connected by disulphide bonds.

Assertion : All immunoglobulin molecules have a basic structure compsed of four polypeptide chains. Reason : The polypeptide chains consists two identical heavy and light chain connected by disulphide bonds.

Assertion : All immunoglobulin molecules have a basic structure compsed of four polypeptide chains. Reason : The polypeptide chains consists two identical heavy and light chain connected by disulphide bonds.

Assertion : All immunoglobulin molecules have a basic structure compsed of four polypeptide chains. Reason : The polypeptide chains consists two identical heavy and light chain connected by disulphide bonds.

Which of the following statements regarding the structure of proinsulin and mature insulin are not correct ? (i) Proinsulin is made up of three polypeptide chains -A,B and C (ii) c- polypeptide chain with 33 amino acids is removed prior to insulin formation (iii) Mature insulin is made up of 51 amino acids arranged in two polypeptide chain -A and B (iv) Polypeptide chain A has 30 amino acids and polypeptide chain B has 21 amino acids (v) Polypeptide chains A and B are interconnected by only one S-S linkage.

Which of the following statements regarding the structure of proinsulin and mature insulin are not correct ? (i) Proinsulin is made up of three polypeptide chains -A,B and C (ii) c- polypeptide chain with 33 amino acids is removed prior to insulin formation (iii) Mature insulin is made up of 51 amino acids arranged in two polypeptide chain -A and B (iv) Polypeptide chain A has 30 amino acids and polypeptide chain B has 21 amino acids (v) Polypeptide chains A and B are interconnected by only one S-S linkage.

True or False. Insulin consists of three short polypeptide chains i.e., chain A, chain B and chain C.