The portion of plasma that contains antibodies to protect the body against antigens is: A Globulin B Prothrombin C Erythropoietin D Fibrinogen E Albumin

The correct answer is (A) Globulin.<br /><br />Globulins are a group of proteins in the blood plasma that include antibodies, which are crucial for the immune response. These antibodies help protect the body against antigens such as bacteria and viruses.