What is the role of an antigen in the acquired defenses? -Biology

What is the role of an antigen in the acquired defenses? -Biology
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Last Answer : Antigen: A substance that activates the immune system from the outside of the body and is made up of proteins , nucleic acids , carbohydrates or lipids.

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Description : What is an antigen ?

Last Answer : Antigen: A substance that activates the immune system from the outside of the body and is made up of proteins , nucleic acids , carbohydrates or lipids.

What is Antigen ?

Description : What is Antigen ?

Last Answer : : Antigen is a substance called mucopolysaccharide located in the plasma membrane of red blood cells which stimulates the production of antibodies .

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Antigen binding site in an antibody is found between:

Description : Antigen binding site in an antibody is found between:

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The antigen -binding sites are present where on the antibody molecule

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Last Answer : The antigen -binding sites are present where on the antibody molecule A. on light chain as well as ... region of light chain D. on heavy chain only

Antigen binding site in an antibody is found between:

Description : Antigen binding site in an antibody is found between:

Last Answer : Antigen binding site in an antibody is found between: A. two light chains B. two heavy ... one light chain depending upon the nature of antigen

Blood group Antigen are `:-`

Description : Blood group Antigen are `:-`

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Is the Rh factor is an antigen that can cause problems in some women who bear more than one offspring.?

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Antigen?

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Prostate-Specific Antigen Levels?

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The portion of the immunoglobulin molecule that binds the specific antigen is formed by (A) Variable regions of H and L chains (B) Constant region of H chain (C) Constant region of L chain (D) Hinge region

Description : The portion of the immunoglobulin molecule that binds the specific antigen is formed by (A) Variable regions of H and L chains (B) Constant region of H chain (C) Constant region of L chain (D) Hinge region

Last Answer : Answer : A

On exposure to any antigen, the first antibody to be formed is of the following class: (A) IgA (B) IgG (C) IgM (D) IgE

Description : On exposure to any antigen, the first antibody to be formed is of the following class: (A) IgA (B) IgG (C) IgM (D) IgE

Last Answer : Answer : C

The alternate complement pathway doesn’t involve (A) Antigen-antibody complex (B) Complement 3 (C) Factors B and D (D) Membrane attack unit

Description : The alternate complement pathway doesn’t involve (A) Antigen-antibody complex (B) Complement 3 (C) Factors B and D (D) Membrane attack unit

Last Answer : Answer : A

Complement system can be activated by binding of antigen to (A) IgA (B) IgD (C) IgE (D) IgM

Description : Complement system can be activated by binding of antigen to (A) IgA (B) IgD (C) IgE (D) IgM

Last Answer : Answer : D

Recognition of antigen is the function of (A) Variable region of light chains (B) Variable regions of light and heavy chains (C) Constant region of heavy chains (D) Constant regions of light and heavy chains

Description : Recognition of antigen is the function of (A) Variable region of light chains (B) Variable regions of light and heavy chains (C) Constant region of heavy chains (D) Constant regions of light and heavy chains

Last Answer : Answer : B

Antigens and haptens have the following similarity: (A) They have high molecular weights (B) They can elicit immune response by themselves (C) They can elicit an immune response only in association with some other large molecule (D) Once an immune response develops, free antigen and free hapten can be recognized by the antibody

Description : Antigens and haptens have the following similarity: (A) They have high molecular weights (B) They can elicit immune response by themselves (C) They can elicit an immune response only in association ... ) Once an immune response develops, free antigen and free hapten can be recognized by the antibody

Last Answer : Answer : D