Chapter 21, Problem 20A

Interpretation Introduction

Interpretation:

A special protein synthesized in response to a foreign substance needs to be explained.

Concept introduction:

Proteins are stabilized due to their linkages and bond interaction. Proteins are known as a building block for the human body. It is used to manufacturing the muscle, hair, and another different form of proteins such as an enzyme, an antibody, etc.

Answer to Problem 20A

The antibody is a type of special protein synthesized in response to a foreign substance.

Explanation of Solution

The antibody is made up of a special type of proteins and is also known as immunoglobulin or protective protein.

Antibodies are found in the human body to protect from other foreign molecules. It uses the immune system of the body to neutralize the effect of foreign substances or molecules.

Conclusion

The immune system is secured by the antibody. It plays an important role in the human body. The role of an antibody is to protect the body from foreign substances and infectious.