NEET BIOLOGY

BIOLOGY IN HUMAN WELFARE

HUMAN HEALTH AND DISEASE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is meant by ANTIBODY? What is meant by ANTIBODY?
A
the body ability to fight pathogens
B
microorganisms that cause disease microorganisms that cause disease
C
molecules that stimulate the immune responsemolecules that stimulate the immune response
D
protein molecules produced by white blood cells to interact with antigens protein molecules produced by white blood cells to interact with antigens
Explanation: 

Detailed explanation-1: -What are antibodies? Antibodies are proteins that protect you when an unwanted substance enters your body. Produced by your immune system, antibodies bind to these unwanted substances in order to eliminate them from your system. Another word for antibody is immunoglobulin.

Detailed explanation-2: -(AN-tee-BAH-dee) A protein made by plasma cells (a type of white blood cell) in response to an antigen (a substance that causes the body to make a specific immune response). Each antibody can bind to only one specific antigen. The purpose of this binding is to help destroy the antigen.

Detailed explanation-3: -B lymphocytes produce antibodies-proteins (gamma globulins) that recognize foreign substances (antigen) and attach themselves to them. B lymphocytes (or B cells) are each programmed to make one specific antibody.

Detailed explanation-4: -In a nutshell, an antibody is a glycoprotein which is produced in response to and counteract a particular antigen. On the other hand, an antigen is a foreign substance (usually harmful) that induces an immune response, thereby stimulating the production of antibodies.

Detailed explanation-5: -What are Antibodies? Antibody (Ab) is also known as an immunoglobulin(Ig). These are large, Y-shaped blood proteins produced by plasma cells. They bind to foreign particles and invade them.

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