10 Questions
Are antigens found on the surface of cells?
True
What is the purpose of antigens?
Identify the cell
Self-antigens are molecules found inside of our own cells
False
What is the purpose of self-antigens?
Identify the cell as one of our own self-cells
What kinds of molecules typically act as antigens?
Proteins
Antigens are detected by Lymphocytes
True
How do immune cells detect antigens?
Antigen and Antibody receptors
What are APC's?
Antigen presenting cells
What is the role of APC's?
Present antigens to lymphocytes for detection
How many different antigens can a single Lymphocyte detect?
1
Study Notes
Antigens and Immune Response
- Antigens are found on the surface of cells.
- The purpose of antigens is to stimulate an immune response.
Self-Antigens
- Self-antigens are molecules found inside of our own cells.
- The purpose of self-antigens is to help the immune system distinguish between the body's own cells and foreign substances.
Types of Antigens
- Proteins, peptides, and polysaccharides are typical molecules that act as antigens.
Antigen Detection
- Antigens are detected by Lymphocytes, a type of immune cell.
- Immune cells detect antigens through the recognition of specific molecular structures on the antigen's surface.
Antigen-Presenting Cells (APCs)
- Antigen-Presenting Cells (APCs) are immune cells that process and display antigens on their surface.
- The role of APCs is to present antigens to Lymphocytes, triggering an immune response.
Lymphocyte-Antigen Interaction
- A single Lymphocyte can detect multiple antigens, but the exact number is not fixed.
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