[A]: lmmunoglobulins or antibodies are specilialized proteins synthesized by the lym- phocytes of
Channel: Doubtnut
Date: 03/05/2020

[A]: lmmunoglobulins or antibodies are specilialized proteins synthesized by the lym- phocytes of vertebrates.     [R]: These defend against invasion of bacte- ria, viruses and foreign proteins.