Republican lawmakers have voted to dial back, or altogether block, a wide range of EPA regulations.
Others have called for the U.S. to abandon its arms-control efforts altogether and block implementation of a new Strategic Arms Treaty that the U.S. and Russia agreed to in 2011.
During DNA replication, template nucleotides that have been chemically modified or lack a base altogether frequently block advancement of the replication fork, and can even cause fork collapse.
Any "particularly harmful" sites should be blocked altogether, it suggested.
The sites were not necessarily blocked altogether during the periods shown, and some say their disruptions were shorter than indicated.
If that angle is forcibly changed to squeeze carbon atoms into some desired pattern, the electronic bond between the atoms may be strained, and the electronic linkages between atoms may be impeded or blocked altogether.
Cooper said: "It is not right for women to find themselves being filmed entering or leaving a clinic, being bombarded with distressing images or having their entrance blocked altogether.
Introducing her bill in the House of Commons in June she told MPs: "In the past, such transformation could be delayed or even blocked altogether by pressure groups or unions with ideological objections to transferring power from town halls to outstanding heads and teachers".
It's recognised worldwide and is a benchmark for standards in Britain Ed Miliband Tory ministers have even tried to decriminalise dodging the £145.50 licence fee, a move that opponents characterised as the first step towards abolishing the charge altogether, but were blocked in an 11th-hour move by the Lords.
In the same way, if managers tweak their supply chains too much, they might create a new kind of bullwhip effect.Yet it would be wrong to conclude that the introduction of new information technology should be slowed down or even blocked altogether.
