restriction enzyme

noun

: any of various enzymes that cleave DNA into fragments at specific sites in the interior of the molecule

called also restriction endonuclease

Examples of restriction enzyme in a Sentence

Recent Examples on the Web
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Some microbes defend themselves from invasion by using molecules known as restriction enzymes. Quanta Magazine, 6 Feb. 2015 In the 1970s, molecular biologists figured out how to use restriction enzymes to cut DNA, giving birth to the modern biotechnology industry. Quanta Magazine, 6 Feb. 2015

Word History

First Known Use

1965, in the meaning defined above

Time Traveler
The first known use of restriction enzyme was in 1965

Dictionary Entries Near restriction enzyme

Cite this Entry

“Restriction enzyme.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/restriction%20enzyme. Accessed 5 Nov. 2024.

Medical Definition

restriction enzyme

noun
: any of various enzymes that cleave DNA into fragments at specific sites in the interior of the molecule and are often used as tools in molecular analysis

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