Sentence examples for impossible to propagate from inspiring English sources

Many pathogens cause both acute and chronic disease at relatively low copy number and may be difficult or impossible to propagate in culture.

Mutations in these types of genes would be difficult, if not impossible to propagate as they could render the parasite innocuous.

The molecular revolution has improved the detection of viruses that are impossible or difficult to propagate in cell culture, such as norovirus and hepatitis A virus, and reverse transcription PCR has become the standard method for virus detection in food.

"It is impossible in this economic environment to propagate something no other union has -- guaranteed minimum employment, regardless of the artistic needs of a production," Mr. Bernstein said.

Urge to propagate and all.

Instead, they come together to propagate hatred.

Q. Is it possible to propagate clematis?

Viruses used to take months to propagate, and then days.

They were always easy to grow and easy to propagate".

"We need to propagate classical music," Mr. Xu said.

(Human thought takes time to propagate and enact, too).