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How are antibodies and antigens related in the immune response?
Antibodies are proteins produced by the immune system in response to antigens, which are foreign substances that trigger an immune response. Antibodies bind to antigens to help neutralize or eliminate them from the body, playing a crucial role in the immune response.
What is the name of foreign molecules in the body?
Foreign molecules in the body are often referred to as antigens. These antigens can trigger an immune response from the body's immune system to defend against potential threats.
How does the body react when antibiotics kill M. leprae?
When antibiotics kill M. leprae, antigens (the proteins on the surface of the organism that initiate the body's immune system response) are released from the dying bacteria.
All immunogens are antigens but all antigens are not immunogens-explain?
Let's start with the first phrase: "All immunogens are antigens" Yes, that's true. Immunogens are antigens that CAN ELICIT IMMUNE RESPONSE and percieved as foreign by the body. Remember, anything that is percieved by the body as foreign is an antigen. Period. Now the second phrase: "All antigens are not immunogens" This is also true. There are antigens, percieved by the body as foreign that CANNOT ELICIT IMMUNE RESPONSE. Example of this is Hapten Molecule. It is an antigen that cannot elicit response by itself, unless paired with a larger protein. In summary: Immunogens - form of antigens that can elicit response. Antigens - anything percieved by the body as foreign that can either elicit or not (Hapten molecule) an Immune response.
Where do antigens, the substances that trigger an immune response in the body, originate from?
Antigens, which trigger the immune response in the body, originate from foreign substances like bacteria, viruses, and other pathogens, as well as from the body's own cells that have been altered or damaged.
Substances that the body recognizes as foreign are called?
Antigens Antibodies neutralize these molecules.
The foreign or nonself proteins that trigger immune responses are called?
An immune response is based on the ability to distinguish molecules that are part of the body ("self") from those that are not ("nonself," or foreign). Such molecules that can elicit an immune response are called antigens.
Is a virus an antigen?
Yes, a virus contains antigens that can trigger an immune response in the body. Antigens are molecules on the surface of pathogens (such as viruses) that are recognized by the immune system.
If bacteria are exposed to a B cell in the spleen they will initiate a?
If bacteria are exposed to a B cell in the spleen, they will initiate an immune response. The B cell will detect the foreign antigens on the bacteria, leading to its activation and differentiation into plasma cells that produce antibodies to combat the infection. This is part of the adaptive immune response that helps the body to fight off pathogens.
Is the body's immune response to allergens which are antigens that produce a hypersensitivity reaction including immediate inflammation?
Allergy
What is the difference between antibodies and antigens?
Antigen is a substance that can induce the generation of antibodies, any substance that can induce immune response. Antibody is a protective protein produced by the body in response to an antigen.
What feature of a virus helps induce an immune response in the body?
The feature of a virus that helps induce an immune response in the body is its antigens, which are specific molecules found on the virus's surface. These antigens are recognized by the immune system as foreign invaders, prompting the production of antibodies and activating immune cells to fight the infection. The recognition of viral antigens is crucial for the development of adaptive immunity, allowing the body to remember and respond more effectively to future infections by the same virus.
