This is the one part of the HIV virus outer coating that does not change, because it is the attachment point to T lymphocytes, the key cell in cell-mediated immunity.

* 1876 – The April Uprising, a key point in modern Bulgarian history, leading to the Russo-Turkish War and the liberation of Bulgaria from domination as an independent part of the Ottoman Empire.

A key point which is often overlooked is that published lower bounds for problems are often given for a model of computation that is more restricted than the set of operations that you could use in practice and therefore there are algorithms that are faster than what would naively be thought possible.

This was a key turning point in the Battle of the Atlantic, enabling the Royal Air Force, the U. S. Army Air Forces, and the U. S. Navy to provide aerial coverage in the Mid-Atlantic gap.

Beef extract was eventually reintroduced as a key Bovril ingredient in 2006, after the European Commission lifted its ban on the export of Britain's beef products ; it was only at this point that the manufacturer stated explicitly that this had been the main reason for beef's removal.

Calvin considered the first coming of Christ as the key turning point in human history.

As the key size increases, so does the complexity of exhaustive search to the point where it becomes impractable to crack encryption directly.

Cameroon lies at a key point in the Trans-African Highway network, with three routes crossing its territory:

Such keyboards use a minimum of seven keys, where each key corresponds to an individual braille point, except one key which is used as a spacebar.

* A key plot point in the comedy Evolution involves nitrogen-based life forms, and using selenium-based shampoo to poison them ( with the bonus of a product placement for Head & Shoulders ).

Episodes ( if applicable ) and entries are usually alternated until the " final entry " of the subject, by which point the music has returned to the opening key, or tonic, which is often followed by closing material, the coda.

A key point in finance, which affects decisions, is the time value of money, which states that a unit of currency today is worth more than the same unit of currency tomorrow.

Partition was not by itself the key breaking point between pro-and anti-Treaty campaigners ; both sides expected the Boundary Commission to emasculate Northern Ireland.

The 1857 Sepoy Rebellion, or Indian Mutiny, an uprising initiated by Indian troops, called sepoys, who formed the bulk of the Company's armed forces, was the key turning point.

Her rage at losing makes her join the Greeks in the battle against Paris's Trojans, a key event in the turning point of the war.

related to Polish & Russian ' klucz ' ( a key, a hint, a main point )

For example, a key frame could be set to indicate the point at which audio will have faded up or down to a certain level.

" He then seized the records, snatched the bill from the hands of the clerk, drove the members out at the point of the bayonet, locked the doors, put the key in his pocket, and returned to Whitehall.

Although Whitehurst described the FBI's sloppy investigation of the bombing site and its handling of other key evidence, he was unable to point to any direct evidence that he knew to be contaminated.

A key point of contention in the case was the unmatched left leg found after the bombing.

In concrete terms, from a security point of view, there is now a " single point of failure " in the public key revocation system.

There are but two means of spreading information ( i. e. a key revocation ) in a distributed system: either the information is " pushed " to users from a central point ( or points ), or else it is " pulled " from a central point ( or points ) by the end users.

The key word in my plays is ' perhaps ' ''.

We know that much is made of the multiplicity and ambiguity of the identities that cluster around the key symbol of the Jew.

The symposium provides an opportunity to confront the self with specific statements which were made at particular times by identifiable communicators who were addressing definite audiences -- and throughout several hundred pages everyone is talking about the same key symbol of identification.

This is the key fact emerging from Sunday's national election.

But the key revelation is not new.

A romantic is one who thinks the world is divinely inspired and all he has to do is find the right key, and then divine justice and altruism will appear.

The long-range objective is to bring about consolidation of ownership through use of land exchange authority and through purchase on a moderate scale of inholdings which comprise key tracts for recognized National Forest programs such as recreation development, or which are a source of damage to lands in National Forests and National Grasslands.

otherwise, you'll have to spend a few minutes to either attach a suitable spring clip somewhere on the press head or fit the key to a length of light chain and fasten to the bottom of the motor mount so that the key is out of the way when not in use.

The key to effective marketing is wrapped up in defining your company's marketing problems realistically.

A new low capacity meter is the key that unlocks the situation at Oakwood Heights.

The phrasing is irregular, and the abrupt key changes have a primitive forcefulness.

Rangoni's first entrance is a musical shock, a sudden open fifth in a key totally unrelated to what has preceded it.

The key to the world of geology is change ; ;

I submit that this is the key problem of international relations, that it always has been, that it always will be.

The soldiers are fighting and the Americans are helping, he said, but in the fight against the Pathet Lao the key factor is the villager himself.

The key to Protestant development, therefore, is economic integration of the nucleus of the congregation.

I said `` Darn it, that's the automatic signal that shows when the ignition key is on.

And the key to the suite is still missing ''.

Mr. Schaefer also recommended that the snow emergency route plan, under which parking is banned on key streets and cars are required to use snow tires or chains on them, should be `` strictly enforced ''.

`` Convenience is therefore the key to the housing market today.

A publicity release from Oregon Physicians Service, of which Harvey is president, quoted him as saying the welfare office move to Salem, instead of `` crippling '' the agency, had provided an avenue to correct administrative weaknesses, with the key being improved communications between F & A and the commission staff.

Now a quiet-spoken, middle-aged man, Fiedler is an aeronautical engineer for Lockheed's Missiles and Space Division at Sunnyvale, where he played a key role in the development of the Navy's Polaris missile.