Question

Describe two arms of the immune response, types of recognition proteins utilized by the immune system, and elaborate on how an antibody molecule achieves high specificity for its antigen. What is the answer?

Answer 1

Two arm of Immune system are

1) Innate immunity-It is specific type of defence is present at the time of birth ,hence it is also called inborn or natural immunity this immunity is based on barrier mechanism

2) Acquired Immunity-Acquired immunity, on the other hand, is pathogen specific. It is characterised by memory. This means that our body when it encounters a pathogen for the first time produces a response called primary response which is of low intensity. Subsequent encounter with the same pathogen elicits a highly intensified secondary or anamnestic response. This is ascribed to the fact that our body appears to have memory of the first encounter.

Peptidoglycan of Bacterium cell wall are made up of protein recognise by Cytokine cell of innate immunity.

Lymphocyte of Acquired Immunity is based on Memory of encounter with antigen.

It form Antibody and it is Antigen-specific.