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Small molecules that can act as antigens include drugs, environmental chemicals, and some food components. These molecules are recognized by the immune system as foreign, leading to the production of specific antibodies and immune responses. Examples include penicillin, bee venom, and certain metals like nickel.

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When small molecules bind to self cell-surface proteins what do they act as?

When small molecules bind to self cell-surface proteins, they can act as signaling molecules that trigger specific responses within the cell. This binding can also affect cell-cell interactions, influence cell adhesion, or regulate processes like growth and development.


What does Macrophage act as?

Macrophages are a type of white blood cell that plays a crucial role in the immune system. They engulf and digest pathogens (such as bacteria and viruses), dead cells, and other harmful substances to help protect the body against infections and maintain tissue homeostasis. Macrophages also produce signaling molecules to regulate immune responses and promote tissue repair.


What are antigens determining blood type carried on?

Antigens, by definition, cause the body to produce antibodies which act against them. You inherit certain antigens which are on your red blood cells. Sometimes these antigens are absent from your RBC. If you are type B, you have B antigens. Type A has A antigens, AB has AB antigens and type O has no antigens. If you are type AB, you can receive AB blood from some one else.


What are the main molecules that act as catalyst in living things called?

Catalysts are thoese molecules which are added to the reaction to spead it up. They actually don't take part in the reaction. Thier presence is enough! You can have the eg of NICKEL. Thier magnetic field also affects the other molecules and forces them to react fast(up to some extent) and their molecular structure is also responsible.


Why food do not act as antigen?

Any food is a composite mixture of thousands of different molecules including nutrients as well as many potentially antigenic molecules. Different types of antigens present in food or emanations from food may evoke reactions within different immunological systems, and frequently within more than one.When ingested food antigens bind to IgE on the surface of intestinal mast cells, causing an immediate hypersensitivity reaction. Basophils may also participate if food antigens appear in the circulation. Foods that commonly cause true food allergies include peanuts, true nuts, shellfish, eggs, milk proteins, and wheat.

Related Questions

What role do small, nonpolar molecules play in biological systems?

Small, nonpolar molecules in biological systems often serve as building blocks for larger molecules, such as lipids and hormones. They can also act as messengers, signaling molecules, and provide energy for cellular processes.


Lymphocytes that act directly on antigens to destroy them or produce chemicals that are toxic to them called?

Lymphocytes that act directly on antigens to destroy them or produce chemicals that are toxic to them are called T4 cells. They are also known as T helper cells.


What all can act as an antigen?

An antigen can be any substance that elicits an immune response, including proteins, polysaccharides, lipids, and nucleic acids. Common examples include pathogens like bacteria and viruses, as well as non-infectious substances such as pollen, certain foods, and transplanted tissues. Even small molecules, when attached to larger carrier proteins, can function as haptens and act as antigens. Overall, antigens are diverse and can originate from both external and internal sources.


When small molecules bind to self cell-surface proteins what do they act as?

When small molecules bind to self cell-surface proteins, they can act as signaling molecules that trigger specific responses within the cell. This binding can also affect cell-cell interactions, influence cell adhesion, or regulate processes like growth and development.


What are lymphocytes formed in thymus gland that act on antigens?

t cells


What does Macrophage act as?

Macrophages are a type of white blood cell that plays a crucial role in the immune system. They engulf and digest pathogens (such as bacteria and viruses), dead cells, and other harmful substances to help protect the body against infections and maintain tissue homeostasis. Macrophages also produce signaling molecules to regulate immune responses and promote tissue repair.


What is the most potent antigen?

The potency of an antigen can vary depending on various factors such as its structural complexity, stability, and ability to bind with the immune receptors effectively. Generally, proteins and polysaccharides tend to be potent antigens due to their ability to activate a strong immune response.


What are antigens determining blood type carried on?

Antigens, by definition, cause the body to produce antibodies which act against them. You inherit certain antigens which are on your red blood cells. Sometimes these antigens are absent from your RBC. If you are type B, you have B antigens. Type A has A antigens, AB has AB antigens and type O has no antigens. If you are type AB, you can receive AB blood from some one else.


Are co enzymes large or small?

Coenzymes are small molecules that are required by enzymes to carry out their functions. They are non-protein organic molecules that often act as carriers of specific functional groups or electrons during enzymatic reactions.


Why are chemicals produced by endocrine glands usually in the form of small molecules?

Chemicals produced by endocrine glands are usually small molecules because they need to be able to travel through the bloodstream to reach distant target tissues. Small molecules can easily diffuse across cell membranes and have faster response times. Additionally, small molecules are less likely to be broken down by enzymes in the blood.


What are intramembrance pumps?

transport protieins may act as pumps moving ions or small molecules in either direction acroos the plasma membrane


What are the main molecules that act as catalyst in living things called?

Catalysts are thoese molecules which are added to the reaction to spead it up. They actually don't take part in the reaction. Thier presence is enough! You can have the eg of NICKEL. Thier magnetic field also affects the other molecules and forces them to react fast(up to some extent) and their molecular structure is also responsible.