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Question

There is a restriction endonuclease called EcoRI. What does "co" part in it stand for?

A
coli
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B
colon
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C
coelom
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D
coenzyme
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Solution

The correct option is A coli
EcoRI is a restriction endonuclease enzyme isolated from species Escherichia coli. The Eco part of the enzyme's name originates from the species from which it was isolated, which is Escherichia coli​​​​​​​. The last part of its name, the I, denotes that it was the first enzyme isolated from this strain.

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