Some were along a quiet residential block, protected front and back by other houses, but open at the ends of the street to sniper fire from ISIS positions.
To incorporate a specifically modified nucleotide at a desired position, it is necessary to prepare a monomeric building block protected at the phosphate, base, and 2´-OH with protecting groups that are compatible with the general methodology of incorporation of regular unmodified monomers.
Inside, the courtyard faces a stone hall and solar block, protected by two stone towers.
Similar to watching a train wreck, try walking by a block protected by police tape without doing a double-take.
The new prison buildings, designed by architects P. F. Robinson and G. T. Andrews, were constructed in a Tudor Gothic style, including a gatehouse 35 feet (11 metres) high and a radial prison block, protected by a long, high stone wall.
A region that bound mouse Abs overlapped with a recently defined site on BoNT/B that binds to mouse and rat synaptotagmin II, thus providing a molecular explanation for the blocking (protecting) activity of these Abs.
In the absence of complement, however, membrane immune sera were highly "blocking", protecting plated hepatoma cells from attack by sensitized lymph node cells.
Outside the cafe where he sat, concrete blocks protect businesses from car bombs.
The big blocks protect the strategic heights and the priceless aquifers beneath them that he most cares about, and they wall off Jerusalem.
The walls — 40 feet high in places, 45 feet thick at the base — feel military and medieval, but the blocks protected within them are of a more elegant vintage.
