Learn about restriction enzymes and DNA ligase in DNA cloning with Khan Academy's comprehensive tutorial.

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DNA cloning involves creating identical copies of a specific gene using restriction enzymes to cut the desired gene, pasting it into a plasmid, and inserting it into bacteria like E. coli. The bacteria replicate …

Where they come from, why they have such strange names, and more. This article reviews the history and nomenclature of restriction enzymes - where they come from and why they have such funny …

Imagine that DNA contains more bases than just A,T,G,C , and instead has all 26 letters of the alphabet. Which of the following sequences are most likely to be recognized by a restriction enzyme?

Imagine that DNA contains more bases than just A,T,G,C , and instead has all 26 letters of the alphabet. Which of the following sequences are most likely to be recognized by a restriction enzyme?

Thus, when they figured out what enzyme is causing that, they basically called it a restriction enzyme, 'cause it restricted the growth of viruses. Now, in order for the restriction enzyme to work, it needs to …

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Is there a way to cut DNA into fragments? Are there any "scissors" for that? How would they work? Watch this video to understand more about restriction enzymes aka molecular scissors, how they …