Words similar to physically
Example sentences for: physically
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This approach had been pioneered in the classical work of Dobzhansky and Sturtevant who used inversions in Drosophila chromosomes to construct an evolutionary tree [ 12 ] . Subsequently, mathematical methods have been developed to calculate rearrangement distances between genomes, and, using these, phylogenetic trees have been built for certain small genomes, such as plant mitochondria and herpesviruses [ 13 14 ] . These approaches, however, are applicable only to genomes that show significant conservation of global gene order, which is manifestly not the case among prokaryotes [ 15 16 17 ] . Even relatively close species such as, for example, Escherichia coli and Haemophilus influenzae, two species of the γ-subdivision of Proteobacteria, retain very little conservation of gene order beyond the operon level (typically, two-to-four genes in a row), and essentially none is detectable among evolutionarily distant bacteria and archaea [ 15 16 18 ] . Very few operons, primarily those coding for physically interacting subunits of multiprotein complexes such as certain ribosomal proteins or RNA-polymerase subunits, are conserved across a wide range of prokaryotic lineages [ 15 16 ] . On the other hand, pairwise comparisons of even distantly related prokaryotic genomes reveal considerable number of shared (predicted) operons, which creates an opportunity for a meaningful comparative analysis [ 19 ] [ 20 21 ] .
We also know very little about how the areas of our brain are physically linked up, and we need to understand that before we can see how we differ from our nearest relatives.
Our analyses show that groups of physically adjacent genes with similar expression are common; nearly 1,100 such groups are significant at a p value of 10 -2(Table 1).
As a substantial number of the clones in the working draft had not been physically typed with RH or genetic markers, the program e-PCR [ 48] and primers collected in the RHdb [ 87] and Genethon [ 88] were used under stringent criteria (mismatch = o, margin = 50, and word size = 7).
The presence language appeared in the LSC appropriations act as part of an effort to expand LSC representation to aliens other than lawful residents, and does not appear to have been intended to limit LSC representation to aliens who were continuously physically present in the United States.
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