Sentence examples for host is required from inspiring English sources

"The strict argument," Dr. Diaconis said, "would be that the question cannot be answered without knowing the motivation of the host". "If the host is required to open a door all the time and offer you a switch, then you should take the switch," he said.

Theoretical models suggest that where strong spatial segregation leads to distinct sub-groupings within a population, as is the case for territorial species, inter-species transmission may be the dominant transmission pathway, so that the presence of an alternative host is required for pathogen establishment [2], [4].

Direct person to person contact is also possible as no intermediate host is required for protozoan parasites.

To manipulate the oil composition of organisms of choice, by a metabolic engineering approach, a high expression level of the ∆-desaturase enzyme in a heterologous host is required.

We suggest that the complex nature of manipulation partially explains why such a long incubation period inside the host is required.

The results suggest that the selection of specific virus variants might be one factor in FHB of newborns, although further structural and functional analysis of the virus strains and the individual immune system of the host is required.

Because 24 to 48 hours of attachment to the host are required for infection to occur, early removal can help prevent disease.

However, while such studies indicate which cells in the host are required for tumor control, they do not reveal the direct therapeutic targets of anti-4-1BB.

We define virulence-related genes as those whose products affect the ability of a pathogen to infect or survive in the host, are required for expression of other virulence factors, or cause the host direct harm (such as toxins).

To determine whether a de novo immune response of the host was required for protection following passive transfer, these studies were repeated in immunocompromised SCID mice (deficient in both B and T-cells).

Moreover, elevations of intracellular Ca2+ in the host are required for invasion several parasites that include T. gondii and T. cruzi, among others [ 109, 114].