As in the case of OS, the model suggests the retina as the origin of the orientation map: The continuity of the map comes from the fact that neighboring cortical neurons share input from the same retinal cells (Ringach 2004), and the periodicity arises from a Moiré interference pattern of the hexagonal grid of ON and OFF retinal ganglion cells (Paik and Ringach 2011).
Two over-short contacts are found, both intermolecular suggesting that the conformation with the 5.09 Å repeat is acceptable for the isolated chain and that the doubling of the chain periodicity arises to optimise the packing.
Pair-rule stripe 4 (double-segment periodicity) arises at the anterior of the first advancing 'wave' at cellularization before the posterior domain recedes again.
One of the main ultra-structural features of 'native' collagen fibrils is the presence of alternating gap and overlap regions along the fibril (D-periodicity), arising from the staggered association of adjacent collagen molecules [5].
Therefore, we conclude that the 28-month periodicity in thermospheric density may be caused by both QBO and solar radiation, whereas the 64-month periodicity possibly arises mainly from ENSO processes, with little/small contribution from solar radiation.
Of particular interest, a 29 Å reflection was observed to have meridional alignment indicating that the structural periodicity it arises from is aligned perpendicular to the film plane and thus perpendicular to the αSβ1 tape long axis.
In each case, their anterior stripes formed in the syncytial blastoderm have double-segment periodicity and arise in a manner that could be explained by the type of enhancer logic exemplified by Drosophila eve (Small and Levine, 1991; Small et al., 1992, 1996; Schroeder et al., 2004; Schroeder et al., 2011).
But this thought arises: what idea?
This question arises for two main reasons.
A 1-year periodicity of course arises from the four seasons of Yakushima.
