In chronic hepatitis, auto antigens are __.

Antigens are present

Hepatitis-B virus is

What is the basic principle of vaccination? How do vaccines prevent microbial infections? Name the organism from which hepatitis B vaccine is produced.

Define chronic diseases.

How B- cells respond to antigens?

The type of immunoglobulin whose function is possible antigen recognition by B-cells may be

Elisa technique is based on antigen and antibody interaction. Can this technique be used in the molecular diagnosis of gentic disorder such as phenylketonria?

When red blood corpusces containgin both A and B antigens are mixed with you blood serum,they agglutinate.Hence the blood group is:

During an allergic reaction, the binding of antigens to lgE antibodies initiates a response, in which chemical dilation of blood vessels and a number of other physiological changes. Such chemicals are called

Name the chronic respiratory disorder caused mainly by cigarette smoking