Sentences with phrase «of simple organic compounds»

Alternatively, some hypothesize that the reservoir of light carbon on the early Earth indicates the presence of simple organic compounds — possibly brought by asteroidal or cometary impactors — that created a hospitable environment for the later emergence of life (more discussion in Rachel Courtland, New Scientist, July 2, 2008; Sid Perkins, Science News, July 2, 2008; and Jonathan Fildes, BBC News, July 2, 2008).

«The rover has made this detection of simple organic compounds,» says project scientist John Grotzinger of NASA's Jet Propulsion Laboratory in Pasadena, California.

The vapor accompanying these particles was mostly water but contained trace amounts of simple organic compounds, as well as carbon dioxide and ammonia — all ingredients important for the sustenance and even origin of life.

Not exact matches

All of these scientific hypotheses boil down to first there was an planetary mass covered with water and providing the correct conditions for chemical reactions to create a simple organic compound from which life was formed.

By simply adding the starting compounds, Cronin's team could synthesize a variety of simple compounds, including a ring - containing organic compound called ethylbenzene.

But it is not clear whether RNA preceded or followed the origin of metabolism, which relies on the chemistry of much simpler organic compounds.

Each time the chemists add a head, body or tail to a sample of beads, they also attach simple organic compounds called ketones containing carbon atom chains of varying lengths.

The issue for scientists has been that it is not easy to look at simple chlorine - containing organic molecules and determine the origin of the organic compound components.

Considering its significant role in this scandal and wide variety of medicinal uses, triamcinolone is a relatively simple organic compound.

These efforts to produce simple organic compounds from simple reagents heralded the dawn of prebiotic organic chemistry.

While simple organic compounds are not always a product of life, complex organic compounds almost certainly are.

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