Such lateral polarity is believed to be important for the radial transport of nutrients across cells found between the root epidermis and the vascular tissues, although no clear demonstration currently exists in the literature.
This proposal is consistent with our previous kinetic analysis with monomeric VCA (Smith et al., 2013) and with demonstrations that Arp2/3 complex exists in multiple conformations in solution (Goley et al., 2004; Rodal et al., 2005; Xu et al., 2012).
The demonstration by a computer model that water exists in two different microscopic constructions is a "wonderful discovery," adds physicist H. Eugene Stanley of Boston University.
But till now, there is neither a clear demonstration that RNA-directed de novo methylation exists in mammals [40], nor is there an evidence that HEN1 could methylate microRNAs in mammals.
We know that fraud exists in CMMI models: some participants in the current demonstration models have entered into settlement agreements with the United States to resolve allegations of violation of the fraud and abuse laws.
"Nothing exists in vacuum".
Racism exists in France also, but the reaction here to the terrorist attacks was mainly in the form of demonstrations and slogans of solidarity.
As seen in Figure 6, a mild trend exists in the data in which students with low math scores had a greater improvement in their performance if they viewed the demonstration, compared with those who did not view it.
The demonstration of increased autoantibodies in the serum of elderly humans is of importance, however, because it indicates that a similar state of immune dysregulation exists in aged humans and mice.
The demonstration that stem cells exist in the adult brain and that they can be isolated and expanded in vitro offers the possibility to test such interesting cells in the paraplegic rat.
To our knowledge, this was the first demonstration that functional HSCs exist in tumor stroma.
