Respuesta :
Every mature MHC-restricted B cell expresses CD4^{+} or CD8^{+} co-receptors. This statement is true.
Further Explanation:
Major Histocompatibility Complex is a very strongly related group of genes represented in each and every mammalian species. It is mainly a collection of the genes present on chromosome six and mainly code for three classes of MHC molecule.
- Class I MHC genes: They mainly encode the glycoproteins which are expressed mainly on the surface of almost all nucleated cells. The major function of the class I gene is to represent the peptide antigens to Tc cells.
- Class II MHC genes: They mainly encode the glycoproteins, which are expressed mainly on APCs. They represent the peptide antigens to Th cells.
- Class III MHC genes: They have mainly encoded a variety of secreted proteins that has a wide range of functions, such as immune functions.
CD4^{+} cells are mainly called T4 cells and they are “helper” cells. They attack against infections in the body. CD8^{+} cells are also called suppressor cells or Tc cells that mainly complete the action of the immune response. They are also referred to as killer cells because they mainly attack cancer cells.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Immunology
Keywords:
Cells, nucleated, killer cells, helper cells, glycoproteins, expressed, encode, surface, variety, expressed, peptide, antigen, secreted protein, attack, against infection.
