true or false Proteins which help protect cells that haven't been infected by a virus are called interferons. True False

Neuro-immune circuits regulate immune responses in tissues and organ homeostasis. True False

Whether the statement, "Because a monoclonal antibody recognizes a specific antigenic site (epitope), it binds only to the specific protein against which it was made." is true or false.

True/False: The different classes of immunoglobulins differ in the sequences of their heavy chain constant regions. As a result, each class of antibody has distinct effector functions. Nonetheless, they are all found at about equal concentrations in the serum of healthy individuals.