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Antigens and Cell Recognition Introductory Quiz

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Antigens and Cell Recognition Introductory Quiz

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Questions and Answers

Are antigens found on the surface of cells?

True

What is the purpose of antigens?

Kill other cells

Help the cell move through it's environment

Identify the cell (correct)

Aid in metabolism

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 Signup and view all the answers

What kinds of molecules typically act as antigens?

Proteins Signup and view all the answers

Antigens are detected by Lymphocytes

True Signup and view all the answers

How do immune cells detect antigens?

Antigen and Antibody receptors Signup and view all the answers

What are APC's?

Antigen presenting cells Signup and view all the answers

What is the role of APC's?

Present antigens to lymphocytes for detection Signup and view all the answers

How many different antigens can a single Lymphocyte detect?

1 Signup and view all the answers

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.