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Science for Kids/Antibodies and Antigens


Hi Sir, please could you explain the difference between a Antibody and an Antigen as simply as possible please, thank you, Oliver

Hi Oliver
Antigens are organic molecule found on the surfaces on blood cells and other cells that cause the production of antibodies antibodies are protein molecules that recognize foreign bodies and destroy them when if enter the body. For example when the measles virus enters the body antibodies are produced that recognize if it it enters again

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walter hintz


I can answer questions from kids in all grades in the areas of general science, biology and nature study


I have been a teacher for over 55 years and have spent many years doing hands-on science with elementary and middle school students.

The Ohio Journal of Science
Momentum: The Journal of the Catholic Educational Association

B.S Ed Kent State University
M.Sc. The Ohio State University

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