Moreover, so-called mentor effects may block the cross-fertilization of sexual individuals caused by mixtures of self-pollen and apomictic pollen on their stigmas.
Peptidoglycan synthesis is the target of many useful antimicrobial agents, including the β-lactam antibiotics (e.g., penicillin) that block the cross-linking of the peptide bridges.
The binding affinity of the hapten on the inhibitor was thus enhanced relative to the hapten on the HtTA due to the polyvalent interaction, and this was sufficient to block the cross-linking of IgE by the HtTAs.
The abilities of various GSTs in the presence and absence of glutathione to block the formation of cross-link precursors generated in DNA samples (or their subsequent repair) treated with 50 μM 90CE were examined.
This discovery supports the theory that ND10 might block the productive cross-species infection of cytomegalovirus.
The earl moved from his base at Pontefract, West Yorkshire to block the strategically important crossing of the River Trent at Burton.
A similar billboard mocking Mormonism was planned for the Republican convention, but no one would sell the group space.American Atheists is also trying to block the display of a cross-shaped steel beam at the September 11th museum in New York.
[C11.] Groups Seek to Halt Blue Cross Plan Consumer and health care advocacy groups are suing to block the plan of Empire Blue Cross and Blue Shield to turn itself from a nonprofit into a profit-making company.
Extensive formation of benzodioxane structures should also block the formation of lignin-carbohydrate cross-links formed via lignin quinone methide intermediates because quinone methide intermediates are readily trapped internally by the ortho-OH and are therefore not available for trapping by external nucleophiles such as water or hydroxyls on polysaccharides [ 19, 50].
Many chanted in protest on Monday against the decision and tried to block the path of those allowed to cross the border.
