Sentence examples for which prevents access from inspiring English sources

This is explained by the close packing of tVA linkers, which prevents access to the enzyme's active center.

Classical pharmacotherapy is restricted by the blood-brain barrier, which prevents access to the brain of potentially therapeutic molecules.

Alison is on a setting called "general," or unrestricted, but her parents have sometimes busted her down to "mature teen," which prevents access to explicitly mature newsgroups or Web sites, as punishment for "having an attitude, which I so commonly do," she said, or for not cleaning her room.

The vesicles are believed to be responsible for drug sequestration, which prevents access of the compounds to their cellular targets.

Currently, lysins are only exolytic for Gram positive bacteria that lack an outer membrane, which prevents access of the lysin to the PG of Gram negative bacteria.

It was also shown that heterochromatin is a versatile platform with proteins such as SWI6, which prevents access of RNA Polymerase II to centromeric repeats, in dynamic equilibrium with Epe1, which promotes transcription [ 6].

On the top floor was a metal gate, which prevented access to the roof.

The first line of protection of the eyes is provided by the lids, which prevent access of foreign bodies and assist in the lubrication of the corneal surface.

Although the turn-around time of these so-called Intensive experiments has been improved greatly, there are still bottlenecks in the processing chain which prevent access to UT1 within a few minutes after the last scan has been observed.

Let us suppose to specify an access control policy which prevents the access to the fifth bcc receiver of an email when a given condition is not satisfied.

Through this mechanism the porous coatings promote recombination of hydrogen atoms into hydrogen molecules on the electrode surface and within the pores of the coating, which prevents the access of the damaging atomic hydrogen to the surface of PZT.