Sentence examples for been described to exist from inspiring English sources

Contact cues, signals that are bound to the surface of the sender's body, represent the final decisive hurdle in the initiation of mating behaviour [5] and have been described to exist in many insect species [6], [7] as well as in crustaceans [8].

So far no protein with a domain consisting of β-sheets has been described to exist in the inner membrane of mitochondria; however, it cannot be excluded that Aim24 is embedded in the lipid environment by this structural element.

Also, a higher affinity for binding single-stranded nucleic acids than double-stranded has also been described to exist in the NAC proteins encoded by HIV-1 NC [ 34, 35], the LTR retrotransposons from the yeast Ty-1 NC-like protein [ 36] and other non-LTR retrotransposons, such as the mouse L1 protein and Drosophila I factor ORF1p [ 3, 11].

This defense mechanism has been described which naturally exists in different plants.

Every newly recorded species of the over a million that have been described (belonging to the ~10-108 that probably exist on Earth [ 3- 5]) has failed to escape from the boundary of the three-superkingdom natural system.

It had been described that cross-talk existed between Akt and Erk cascades [ 49].

Several EFTR procedures have been described, and several problems existed when EFTR was performed using an ESD device.

105, 106 It has been described that certain protective immunity exists against new infections in humans after suffering from the disease.

At present five HF-containing TAF pairs have been described or suggested to exist in TFIID: TAF6-TAF9, TAF11-1312, Tand1-13, TAF3-TAF10 and TAF3-TAF10 [17], [18], [19], [19], [19].

Hydrophobic (Weimarn sols, S8(Weimarn)) and hydrophilic (Raffo, S8(Raffo); LaMer, and Selmi, collectively called Oden sols) sols have been described and have been reported to exist in an initial liquid state [11].

Secondly, although the long-term metabolic effects of ketone administration are described, little information exists on the acute changes induced by intravenous infusions.