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The group of proteins that normally circulate in the blood in an inactive form and are activated by contact with nonspecific antigens such as foreign blood cells or bacteria?
These proteins are part of the complement system, which forms a crucial part of the immune response. Once activated, the complement proteins can lead to the destruction of pathogens through processes such as opsonization, inflammation, and cell lysis.
How do phagocyte cells use their membranes to protect us?
They have receptors lining their membrane which aid in locating sources of antigens by the chemicals they release.
Proteins in blood that bind to antigens?
Antibodies.
What are proteins that are pathogens called?
Proteins that are pathogens are called antigens. These antigens can trigger an immune response in the body, leading to the production of antibodies to fight off the pathogen.
Substance produced by the body that destroys the antigen?
Antibodies are proteins produced by the body's immune system that specifically target and destroy antigens, such as bacteria or viruses, by binding to them and marking them for destruction.
What plasma proteins is involved in neutralising antigens?
Immunoglobulins, specifically IgG antibodies, play a key role in neutralizing antigens by binding to them and enhancing their removal from the body. These proteins are produced by B lymphocytes in response to the presence of antigens.
What are antigens made of?
They are made up of proteins and carbohydrates.
What is genetically determined proteins on the sufraces of RBSs?
antigens
What is the chief ammunition used against cellular antigens?
complement fixation and activation of the antibody
A complement cell is capable of producing and secreting antibodies that are coded to destroy specific antigens?
No
What self antigens is found on cell membranes?
Major histocompatibility complex (MHC) proteins, also known as human leukocyte antigens (HLAs), are self antigens found on cell membranes. These proteins play a key role in presenting foreign antigens to the immune system for recognition.
Each lymphocyte has thousands of receptors proteins in its membranes. What is the job of these receptor proteins?
To recognize antigens.
