{{B}}D{{/B}}The viruses can cause all the following damages EXCEPT ___. A.low speed of the computer’s functionsB.ruin of the normal programsC.lack of information storageD.loss of all the information stored in the computers 相关知识点: 试题来源: 解析 C 本题为否定性命题,从文章第...
Because of the lack of regularity in these viruses, as well as the lack of symmetry, detailed structural studies of virions have not been possible. The lack of regularity arises in part because in these viruses there is no direct interaction between the nucleocapsid and the glycoproteins. The ...
from about 10 kilobases (kb) to >700 kb, whereas herpesviruses, restricted to animal hosts, are more uniform with genomes in the range of 100–300 kb. Herpesviruses probably evolved from bacteriophages, but the lack of related viruses outside the animal kingdom...
20. Samples were taken, typically, at a time there were general mortalities of larvae, but other than being alive or dead, no other distinctive behaviours were noted; i.e. larval fish in this study looked normal. Note: the lack of symptoms for larval fish infected with NNV was also ...
Nevertheless, the residues of HRV2 corresponding to the ICAM-1 footprint on HRV14 or HRV16 lack the charge complementarity observed for major group HRVs (Kolatkar 1999, Verdaguer 2000). In addition, receptors of major group HRVs and enteroviruses both cause virus destabilization, unlike the ...
Table 2 Lack of association of CRT with inflammatory markers in 118 patients Full size table Il-6, D-dimers and hsPCR levels were not correlated with the presence of detectable HIV-RNA at time of testing, nor with the cumulative viremia over time. Secondary adjusted analyses were performed ...
We explain the lack of diversity in viral proteomes by their prolonged reductive evolutionary history and the fact that the set of FSFs that distinguish viruses are unevenly distributed in the virosphere (e.g., translation related enzymes are only present in mimiviruses and megaviruses). In ...
Viruses are the most abundant biological entities on Earth and play a significant role in the evolution of many organisms and ecosystems. In pathogenic protozoa, the presence of viruses has been linked to an increased risk of treatment failure and severe
The physics of virus-surface and virus-interface interactions is ripe with interesting experimental observations1,2, but several of these lack a satisfactory theoretical understanding. For instance, the number of viable viruses on a surface typically decays over time as n(t)=n0e−t/t0, with th...
sequence AxGxG rather than GxGxG within motif I of the SAM dependent MTase superfamily (53). It will be of interest to determine the biologic consequences of this difference, and whether this change is responsible for the lack of 2′-O methylation in NDV and possibly other ns NS RNA ...