Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
An enzyme produced chiefly by certain bacteria, that has the property of cleaving DNA molecules at or near a specific sequence of bases.
- ‘The presence of a particular mutation may create or destroy a restriction site, and the DNA fragments produced following restriction enzyme digestion show characteristic banding patterns when electrophoretically separated.’
- ‘After all, in nature we can and do observe bacteria using restriction endonucleases and ligases to cut DNA.’
- ‘The term restriction endonuclease was given to this class of bacterially derived enzymes since they were identified as being involved in restricting the growth of certain bacteriophages.’
- ‘The cDNA is digested with a restriction enzyme (anchoring enzyme) that cleaves the cDNA into fragments of approximately 256 base pairs.’
- ‘This library effectively consists of all the DNA present in the micro organism; this DNA is cut, or cleaved, with restriction enzymes, so that it is in fragments.’
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.