Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
An enzyme which can inactivate penicillin, produced by certain bacteria.
- ‘A control gene regulates the production of an enzyme that destroys the antibiotic, e.g. penicillinase which destroys penicillin.’
- ‘For example, the resistance to penicillin initially was due to production of an enzyme penicillinase by bacteria, antibiotics like cloxallin were developed which was resistant to penicillinase enzyme.’
- ‘Penicillin was first used in the early 1940s and by 1950, most Staphylococcus aureus organisms were resistant to the drug by virtue of elaboration of a penicillinase enzyme.’
- ‘After all, the resistant strain has the genetic information necessary to produce penicillinase, which is a complex chemical.’
- ‘These chemically modified penicillins have a side chain that inhibits the action of penicillinase.’
We take a look at several popular, though confusing, punctuation marks.
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The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.