What is an analogy that describes the process of electron carriers?

An analogy is a comparison between one thing and another, typically for the purpose of explanation or clarification.

An analogy of an electron carrier molecule and high energy electrons can be just like moving a potato. A laundry basket filled with warm laundry can also be compared to an electron carrier. In this analogy, the laundry basket represents the electron carrier and the warm laundry represents the high energy electrons. There is another analogy that describes the process of electron carriers is a laundry basket filled with warm laundry can also be compared to an electron carrier. In this analogy, the laundry basket represents the electron carrier and the warm laundry represents the high energy electrons.  

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