Sentence examples for ha arose from inspiring English sources

On the other hand, if HA arose from chitin, it would reflect the evolutionary pressure for organisms to generate this stealth-like polymer, while simultaneously providing the pressure to commandeer an anabolic enzyme for HA from the chondroitinase gene family.

What controversies have arisen?

Nevertheless, problems had arisen earlier.

Wars have arisen over less.

But problems had arisen.

Many questions have arisen.

Some issues have arisen.

Several schools of argument have arisen.

Yet such worries have arisen before.

"So life certainly could have arisen there".

But, in recent years, complications have arisen.