We explain in what sense we consider these two types of centromeres atypical, namely that they lack CENP-B and are formed on relatively small genomic loci.
Interestingly, both these centromere types are atypical in that they are formed on relatively small genomic loci: ∼600 kb for the Y-centromere (Abruzzo et al., 1996) and ∼300 kb for the NeoCEN-4 (Hasson et al., 2013), whereas autosomes and the X-chromosome have alpha-sattellite arrays of several magabases in size (Wevrick and Willard, 1989; Mahtani and Willard, 1990; Lo et al., 1999).
They conclude that the stromatolites are biogenic in origin, and were formed on a 'carbonate platform' — a broad, relatively flat expanse of carbonate sediments — that was subject to the influence of tides but generally remained submerged.
As a result, relatively uniform-sized metal nanoparticles were formed on the r-GO sheets.
Figure 3a shows that graphitic carbon of a relatively high degree of crystallinity is formed on SiO2.
In non-aqueous Li O2 batteries, relatively large amounts of discharge products are formed on air cathodes.
After reduction pretreatment, relatively uniform and large metallic alloy Pd Pt particles were formed on SiO2, whereas, Pd and Pt atoms formed rather segregated particles on Al2O3.
At relatively small laser pulse energy, spheroid-like structures are formed on the ends of NWs.
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