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Does O blood have any antigens present?
No, O blood does not have any antigens present.
Does AB blood have antigens present in it?
Yes, AB blood has both A and B antigens present on the surface of red blood cells.
Which of these determine a person's blood type and stimulate antibody formation?
Antigens determine a person's blood type. These antigens are present on the surface of red blood cells and stimulate the immune system to produce antibodies against incompatible blood types.
What are the cells that combine with foreign antigens and present them to t cells called?
Those cells are called antigen-presenting cells (APCs). They include dendritic cells, macrophages, and B cells. Their role is to ingest foreign antigens, process them, and present them to T cells to initiate an immune response.
What is the function of a DNA ladder in gel electrophoresis and how does it aid in the analysis of DNA fragments?
In gel electrophoresis, a DNA ladder serves as a reference for determining the sizes of DNA fragments being analyzed. It contains DNA fragments of known sizes, which help in estimating the sizes of unknown DNA fragments by comparison. This aids in accurately identifying and analyzing the DNA fragments present in the sample.
Antigens are typically present on what?
Antigens are typically present on any cell, bacterium, or virus.
Does O blood have any antigens present?
No, O blood does not have any antigens present.
Does AB blood have antigens present in it?
Yes, AB blood has both A and B antigens present on the surface of red blood cells.
In serum antigen present or not?
Yes, serum does contain antigens
Are antigens present in A positive blood?
Yes, A positive blood contains A antigens on the surface of the red blood cells. Additionally, the "positive" indicates the presence of the Rh factor, meaning the Rh antigen is also present. Therefore, A positive blood has both A and Rh antigens.
Which antibody and antigen combination match each blood type?
The blood type notation A Rh- indicates which antigens and antibodies are present in the blood. A indicates there are A antigens. Rh+ indicates there are Rh antigens. B antibodies. If there are A and Rh antigens but no B antigens, the antibodies in the blood plasma are B antibodies.
A person's ABO blood type is determined by antigens present on the?
gamma globulins
Which antigens are present in your plasma if you have type O blood?
Your blood type is determined by antibodies (both/either A and B), and Antigens present (both/either A and B) in your Red Blood Cells. O blood types have both A and B antibodies, and neither A or B antigens. If you are O+ it means you can give blood to anyone. If you are O- it means you can recieve any blood type.
What cell introduces epitopes to T cells?
Antigen-presenting cells (APCs), primarily dendritic cells, macrophages, and B cells, introduce epitopes to T cells. They process and present peptide fragments of antigens on their surface using major histocompatibility complex (MHC) molecules. This interaction is crucial for T cell activation, allowing them to recognize and respond to specific pathogens or infected cells. Dendritic cells are particularly effective at initiating T cell responses due to their ability to capture and present antigens in lymphoid tissues.
How do drug blood tests work?
Im guessing that the testing medium contains antigens which bind to a receptor only present on the drug in question, or a range of drugs with a range of antigens.
Which of these determine a person's blood type and stimulate antibody formation?
Antigens determine a person's blood type. These antigens are present on the surface of red blood cells and stimulate the immune system to produce antibodies against incompatible blood types.
What is a histocompatibility antigen?
Histocompatibility antigens are molecules on the surface of all cells in the body. The specific types of histocompatibility antigens present on a person's cells determine their identity and distinguish each person. They are a "fingerprint."
