ASCORBIC acid has been found to have a marked inhibitory effect on urease activity. With some preparations of the enzyme, the formation of ammonia from urea is completely inhibited by a concentration ...

Watch Mr Smith explain more about writing to explain. Follow what he says carefully, and have a go at the tasks he gives you. Explanation texts often tell you about the parts of a process, usually ...

Background We present a case of severe neurological symptoms caused by hyperammonemia, secondary to a urinary tract infection with urea-splitting bacteria. Investigations Blood analysis, urinalysis, ...

The President's Path: Why did Trump and Netanyahu clash over the Iran war? Trump's blazing row with Netanyahu over the Iran war. Is the alliance cracking?