1 Tertiary sources are publications such as encyclopedias or other compendia that sum up secondary and primary sources. 2  For example, Wikipedia itself is a tertiary source.3  Many introductory textbooks may also be considered tertiary to the extent that they sum up multiple primary and secondary sources. Tertiary sources are publications such as encyclopedias or other compendia that sum up secondary and primary sources. 2  For example, Wikipedia itself is a tertiary source.
Antibodies are normally a good thing. Neutralize viruses and bacterial toxins, tag bacteria for complement so they get blown up, tag invading parasites/worms/ew so your immune cells can kill them, antibodies even make nice cancer therapies.ntibodies are normally a good thing. Neutralize viruses and bacterial toxins, tag bacteria for complement so they get blown up, tag invading parasites/worms/ew so your immune cells can kill them, antibodies even make nice cancer therapies.
An antibody, also known as an immunoglobulin, is a protein found in the blood or body fluid of an animal.These proteins have special receptors that allow them to bind to foreign substances known as antigens. Their purpose is to identify and neutralize antigens so that they cannot make the host organism sick. Antibodies have a Y-shaped structure.  Antibodies have a Y-shaped structure. Allergies are caused by an improper antibody reaction to normally harmless compounds. Antibodies are responses of the immune system to an antigen, which is generally a foreign object. People may develop antibodies when they are exposed to certain compounds, like pet dander.