5′ to 3′ explained

Biology, animated: short, accurate animations of how molecular biology works, for students and anyone curious. Each video has show notes here: a vocabulary list, a study frame, review questions and the sources.

Why DNA Only Grows in One Direction (5′ to 3′ Explained)Why does DNA only grow from its 5′ end to its 3′ end, and could life have built it the other way? How Your Cells Copy 6 Billion Letters of DNA (DNA Replication Animation)How does a cell copy its DNA, and why is one of the two new strands made backwards, in pieces? This animation follows copying from the… Why Does Life Need Both DNA and RNA? (DNA vs RNA Animation)Every living cell uses both DNA and RNA. This video goes through the five differences between them: three in the chemistry (the sugar, the… Transcription Translation