What is the difference between an epitope and an antigen?

Question

Accepted Answer

Hello everyone and welcome to today's video. So which antigens segment are recognized by the immune system. So let's go over answer choices so that we can begin solving this problem. Beginning by answer choices A. And B. And this light and heavy change. The reason why we are seeing them together is because they are only present in these antibodies which are the molecules are going to be used by the immune system to recognize the antigens. So because of this they're not going to be president antigens that are going to cancel them out. Then we have c. Antigen receptors that are usually going to be present in cells of the body such as T cells to recognize these antigens as well. So we're going to cancel this out as they are not present in the antigens themselves. The only ah answer choice that contains a part that will be president an antigen. Is this answer choice D. Which is epitaphs. And these episodes are actually the portion or the part of the antigen that these antibodies will be banding too in order to recognize the antigens. So because of this we're going to highlight answer choice D. As a final answer to our question. I really hope this video helped you and I hope to see you in the next one

What is the difference between an epitope and an antigen?

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