A Level Biology Revision "Antigens and Antibodies"

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In this video, we look at antigens and antibodies. First we explore what is meant by the specific immune system. We then explore the features of antigens and the difference between "self" antigens and foreign or "non-self" antigens. Finally, we look at the structure of antibodies and the roles of antibodies including agglutination.
Image credits:
B lymphocyte
commons.wikime...
NIAID, CC BY 2.0 creativecommon..., via Wikimedia Commons
T lymphocyte
commons.wikime...
NIAID/NIH, Public domain, via Wikimedia Commons

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You said 4 functions but you only mentioned 3?

[@alinaahsan5207]

Thank you for the wonderful, informative video

[@lemonlime8949]

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[@kxnt_joel1238]

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[@safibutt1825]

Do you still do GCSE work? If so, can you make a video on the Limitations of the Particle Model?

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[@lemonlime8949]

Will you upload the rest of the immune system videos soon? Please do.

[@Freesciencelessons]

I've just uploaded the next one.

[@lemonlime8949]

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[@Freesciencelessons]

Yes I'll be starting the A2 content in the next couple of months.

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[@Freesciencelessons]

Yes I do plan to but I still have a lot of A level videos to make before then.

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what's the difference between antiBODIES and antiGENS

[@Freesciencelessons]

Antigens are identified by the body as foreign eg viruses, bacteria etc. Antibodies are proteins made by B cells. Antibodies stick to specific antigens. This targets the antigen for destruction.

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