Assertion : Interferons are a type of antibodies produced by body cells infected by bacteria. Reason : Interferons stimulate inflammation at the site of injury.

Step-by-step solution

Interferons are not antibodies. These are natural proteins produced by the cells of the immune systems of most animals in response to challenges by foreign agents such as viruses, bacteria, parasites and tumor cells. Interferons belong to the large class of glycoproteins known as cytokines. In human body there are three types of interferon - , and . Interferon alpha and beta are produced by many cell types, including T-cells and B-cells and are important component of the antiviral response. They stimulate both macr