Answer
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Hint: They are related to the immune system of the body as the first is called an antigenic determinant, it is the portion that is capable of stimulating an immune response specifically the production of antibodies while the other comes from outside.
Complete answer:
Epitopes are the actual portion of the fragments of an antigen that reacts with the receptor on the B-lymphocyte and T-lymphocyte as well as with free antibody molecules. While an antigen may be defined as a substance that reacts with antibody molecules and the antigen receptors present on the lymphocyte.
Additional Information:
- Generally, 5-15 amino acids are thought to be equivalent to the size of an epitope.
-An antigen is called an immunogen that is recognized by the body as nonself or foreign and stimulates an immune response.
-Chemically, antigens are large and have more molecular weight proteins and polysaccharides.
-These proteins and polysaccharide antigens are found on the surfaces of viruses and cells including microbial cells.
-There can be more than one epitope for an antigen to which different antibodies get attached.
- Binding between the receptor and epitope occurs only if they are complementary.
So, the correct answer is, ’ An epitope is part of an antigen where an antibody or lymphocyte receptor binds.’
Note: If the epitope and receptor fit together like pieces of a puzzle, then an event that is necessary to activate the production of antibodies will start. The antibodies produced by cells are targeted specifically to the epitopes that bind to the cells’ antigen receptors. Thus, the epitope also is the region that is recognized by specific antibodies, which bind and remove the antigen from the body.
Complete answer:
Epitopes are the actual portion of the fragments of an antigen that reacts with the receptor on the B-lymphocyte and T-lymphocyte as well as with free antibody molecules. While an antigen may be defined as a substance that reacts with antibody molecules and the antigen receptors present on the lymphocyte.
Additional Information:
- Generally, 5-15 amino acids are thought to be equivalent to the size of an epitope.
-An antigen is called an immunogen that is recognized by the body as nonself or foreign and stimulates an immune response.
-Chemically, antigens are large and have more molecular weight proteins and polysaccharides.
-These proteins and polysaccharide antigens are found on the surfaces of viruses and cells including microbial cells.
-There can be more than one epitope for an antigen to which different antibodies get attached.
- Binding between the receptor and epitope occurs only if they are complementary.
So, the correct answer is, ’ An epitope is part of an antigen where an antibody or lymphocyte receptor binds.’
Note: If the epitope and receptor fit together like pieces of a puzzle, then an event that is necessary to activate the production of antibodies will start. The antibodies produced by cells are targeted specifically to the epitopes that bind to the cells’ antigen receptors. Thus, the epitope also is the region that is recognized by specific antibodies, which bind and remove the antigen from the body.
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