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What is the meaning of acceptor and donor in acceptor site and donor site expressions in the context of RNA splicing. Note that I know the biological meaning of these concepts. I am just intrigued by the terms acceptor and donor.

I just cannot seem to find the reason why one is called acceptor and other donor. What exactly is being accepted and donated? In addition, it would be nice to have a reference to the original work that used this terminology.

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closed as off-topic by anongoodnurse, David, Bryan Krause, AliceD Oct 4 '17 at 21:51

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Homework questions are off-topic on Biology unless you have shown your attempt at an answer. For more information see our homework policy." – anongoodnurse, David, Bryan Krause, AliceD
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