At any given position along the molecule, one of these letters must be present.
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But if the same letter always appears in a given position in the molecule, there is no uncertainty.
ECONOMIST: How (and why) to find a needle in a haystack | The
In most every case, the president or president-elect has the right to nominate a person to a given position.
He has been given the position for three years, which may be extended for a further two years.
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Given the position the tournament was in, it gave us a chance to dip our toe in the water.
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Given his position and our topic of conversation -- Google's Project Glass -- he was conspicuous for wearing no eyewear whatsoever.
"We would like to think that given his position and title he might help to move this idea forward, " Mr Cantrill added.
Mr Sarkozy said he would have preferred a treaty change involving all 27 EU members but "that wasn't possible, given the position of our British friends".
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The once self-described half-businessman, half-gangster insists he is now a reformed man, especially given his position as mayor of Saen Suk municipality in Chonburi.
For Noboa, it will be a little more difficult for him to connect with the poor given his position as being, perhaps, the wealthiest man in Ecuador.
Those of us who are given the position to which others can look or follow are to be served as examples for what they are looking for.
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But her behavior towards the FARC constitutes a crime and a serious breach of ethics especially given her position as a senator representing the Republic of Colombia.
Nor, given the position of successive Israeli governments, can Mr Arafat promise anything from the final-status talks, except, perhaps, a vow not to renounce the right of return.
The most notable result of the analysis is how poorly Walmart did, given its position as the number one retailer in the world and tremendous financial and merchandising resources.
While it should be noted that while Plosser is not a voting member of the Federal Open Market Committee, his comments should nonetheless be disregarded given his position and experience.
"Doris was obviously in good shape given her position at the World Cross Country and it showed when she just pulled away from me on the steepest part of the course, " said Pavey.
What I don't want to see and I would find it very humiliating as a woman if it happened to me, is somebody just given a position which men or others have to compete for.
He also said he had been given the position of immigration minister "to change perceptions" and raise the profile of the new points-based system - which he said was "tougher" and the biggest shake-up of immigration policy in 45 years.
Given the Palestinian position, and indeed his own poor standing in Israeli polls, all this may seem fanciful.
Otherwise, given your ideological position, we are surprised that you do not seem to support engaged pluralistic action.
But competition from Apple would be far more daunting, given its dominant position in the digital music business.
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As a millennial recently given a management position, I had to learn the art of gratitude the hard way.
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"I have not given the Wales position any thought, " Jones told the Guardian.
Stanley Ho Hung Sun has given up his position as managing director in Sociedade de Jogos de Macau (SJM).
If worries about Cyprus increase, this could give gold a serious boost, especially given the speculative position in the futures market, Teves said.
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Kidney, who has been favourite to take the role since O'Sullivan's departure, said that he was "delighted" to be given the Ireland position.
Given the strong position that Citi is in today, I have concluded that the time has come for me to take my leave.
This is a particularly reckless and irresponsible position given that it will do nothing to prevent pariah states from acquiring their own nuclear arms.
"You just have to pay tribute to the hours and hours of practise which has given him the position he is in just now, " Hadden said.
It crossed my mind that the ball had moved in a funny angle and that Thierry was able to keep it in play given his body position.
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