HLA genes are extremely polymorphic; for this reason antigen-presenting cells can differently present a specific antigenic peptide to the immune system.
Even so, he did not present a specific plan, saying only that the idea should be seriously studied.
"If folks want to pop off and have opinions about what they want to do, present a specific plan," said an unusually angry Obama.
To the portion of the electorate most loyal to his predecessor, Rudolph W. Giuliani, Mr. Bloomberg could present a specific message about his success in lowering crime.
Before 2012, any prisoner who did not present a specific security risk could call any telephone number that had not already been barred from their pin account.
At each of his stops, Mr. Edwards focused his attention on Mrs. Clinton and in the speech here on Monday he said he would outline a plan for Iran and call on her to present a specific plan for how she would end the war, including how many troops would remain in Iraq.
Given that, officials said, the current plan is for the president to keep his focus on the broader changes in the Arab world, rather than to present a specific new plan for reviving the peace talks.
A member of the group said there was no plan to present a specific proposal to the Chinese and Japanese, but that the members were prepared to discuss different approaches.
The fact that Mr. Obama was willing to have such an impromptu discussion with former advisers illustrates his increasing frustration with the foot-dragging over Middle East peace talks, and a growing sense that he may have to present a specific plan, rather than wait for the two sides to come to any sort of agreement.
We present a specific calculation associated with a differential equation with constant coefficients.
The yarns, made up of a large number of fibers, present a specific behavior when under longitudinal compression.
