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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.
Do antigens cause normal immune response?
No. Hapten is an antigen whic has low molecular weight and does not trigger immune system.
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.
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.
What is the introduction of altered antigens to produce an immune response?
Introduction of altered antigens involves exposing the immune system to modified versions of antigens to trigger an immune response without causing disease. This approach can be used in vaccine development to stimulate immune memory and protection against specific pathogens or diseases. Altered antigens can include weakened or inactivated forms of pathogens, as well as genetically engineered antigens.
What is the blood cell protein that elicits an immune reaction?
The protein that elicits an immune reaction in blood cells is called an antigen. Antigens are typically foreign substances that trigger an immune response when they are detected by the immune system.
Is sperm considered as antigen at the time of fertilization?
No, sperm is not considered an antigen at the time of fertilization. Antigens are substances that the immune system recognizes as foreign and can trigger an immune response. Sperm is a normal component of reproduction and does not elicit an immune response during fertilization.
What are the markers on a pathogen called?
The markers on a pathogen are called antigens. Antigens are molecules or molecular structures, often proteins or carbohydrates, that can trigger an immune response in the host organism. They are recognized by the immune system, particularly by antibodies, which help to identify and neutralize the pathogen.
How are antibodies and antigens related?
Antibodies and antigens are closely related components of the immune system. Antigens are foreign substances, such as bacteria or viruses, that trigger an immune response, while antibodies are specialized proteins produced by the immune system to recognize and bind to specific antigens. This binding helps neutralize or eliminate the antigens, playing a crucial role in protecting the body against infections. Essentially, antibodies act as the body's defense mechanism against the threats posed by antigens.
Do polio microorganisms have the same antigens as a live pathogen?
Polio microorganisms, specifically the poliovirus, have distinct antigens that are specific to the virus itself. While these antigens can trigger an immune response similar to that of a live pathogen, they do not share the same antigens as other live pathogens. The immune system recognizes these unique poliovirus antigens, allowing for the production of antibodies specific to poliovirus during infection or vaccination.
What are antigens that cause as immune response?
Antigens are substances that trigger an immune response, typically because they are recognized as foreign by the immune system. They can be proteins, polysaccharides, or other molecules found on the surface of pathogens like bacteria, viruses, or fungi, as well as on pollen, toxins, and even transplanted tissues. When the immune system encounters an antigen, it produces specific antibodies and activates immune cells to eliminate the threat. This process is crucial for protecting the body against infections and diseases.
Why antigen present on red blood cell?
Antigens on red blood cells (RBCs) are molecules that can trigger an immune response if they are recognized as foreign by the immune system. These antigens, such as the ABO and Rh systems, play a crucial role in blood transfusions and organ transplantation, as they determine blood compatibility. The presence or absence of specific antigens on RBCs helps the body identify its own cells versus invaders, ensuring proper immune function and response.
