The antibodies are :
Correct answer: A. Proteins
- A. Proteins
- B. Carbohydrates
- C. Lipids
- D. Germs
Explanation
Antibodies are members of a class of proteins known as immunoglobulins. Immunoglobulins are glycoproteins in the immunoglobulin superfamily. The terms 'antibody' and 'immunoglobulin' are often used interchangeably. They are found in blood and tissue fluids, as well as in many secretions. In terms of structure, they are globulins (in the region of protein electrophoresis). They are synthesized and secreted by plasma cells derived from the B cells of the immune system.
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About Biodiversity and Variety of Life
Biological classification uses taxonomic ranks, binomial nomenclature and shared characteristics to organize life into kingdoms. The major groups include prokaryotes, protists, fungi, plants and animals, with comparisons based on cell type, cell wall, nutrition, body organization, reproduction and evolutionary relationships; prokaryotes lack a membrane-bound nucleus.
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