Whereas peptidoglycan is a standard component of all bacterial cell walls, all archaeal cell walls lack peptidoglycan, with the exception of one group of methanogens.

The β-lactam moiety ( functional group ) of penicillin binds to the enzyme ( DD-transpeptidase ) that links the peptidoglycan molecules in bacteria.

In the first step of peptidoglycan synthesis, the glutamine, which is an amino acid, donates an amino group to a sugar, fructose 6-phosphate.

Chemical dissection led to characterization of the group A – specific polysaccharide and the peptidoglycan, and the identification of its serological specificity in the terminal hexosamine.

The content is not the same, however: rather than individual security, it is the security and continuing existence of an `` ideological group '' -- those in the `` free world '' -- that is basic.

Historically, however, the concept is one that has been of marked benefit to the people of the Western civilizational group.

The music director of the Pittsburgh Symphony Orchestra, William Steinberg, has molded his group into a prominent musical organization, which is his life.

With the group of boys it is different.

Nothing is more revealing of the way of life and literary aspirations of this group than their attitude toward sex.

This group is secularist and their program tends to be technological.

But the problem is one which gives us the measure of a man, rather than a group of men, whether a group of doctors, a group of party members assembled at a dinner to give their opinion, or the masses of the voters.

The group conducting the review is not holding formal hearings.

After allowing for group exposures, it is apparent that other factors must be considered if we are to comprehend fanaticism.

At Sounion there is a group of beautiful columns, the ruins of a temple to Poseidon, of particular interest at that time, as active reconstruction was in progress.

He is uncompromising in assigning guilt to the man who finds it necessary to inflict or permit injury to one individual or group for the sake of a larger good.

In the main stream of historical thinking is a group of scholars, H.M. Chadwick, R.H. Hodgkin, Sir Frank Stenton et al. who are in varying degrees sceptical of the native traditions of the conquest but who defend the catastrophic type of invasion suggested by them.

Although Patchen has given previous evidence of an interest in jazz, the musical group that he works with, the Chamber Jazz Sextet, is often ignored by jazz critics.

Patchen's musicians are outsiders in established jazz circles, and Patchen himself has remained outside the San Francisco poetry group, maintaining a self-imposed isolation, even though his conversion to poetry-and-jazz is not as extreme or as sudden as it may first appear.

Gov. Dalton's New Commerce and Industry Commission is moving to create a nine-state regional group in a collective effort to attract new industry.

Fortunately, there is a nursery school which he has been able to attend, with a group of normal children.

Perhaps Khrushchev is in a more difficult position than any since 1957, when the `` anti-party group '' nearly liquidated him.

When the fate of the individual is visited on the group, then ( the warm sweet butter dripped from her raised trembling fork and she pushed her head forward belligerently ), ah, then the true bitterness of existence could be tasted.

Mr. Claude is a specialist in torso development and he has long favored the now-famous Weider Push-Pull Super-Set technique in which one exercise of the Super-Set is a pressing or `` pushing '' movement which accents one sector of a muscle group in a specific way, followed by a `` pulling '' exercise which works the opposing sector of the same muscle group.

the polyether group generally consists of foams produced with polypropylene glycol or polypropylene glycol modified with a triol.

The group maintains two inventories of " Heritage pubs ", the National Inventory ( NI ), which contains only those pubs that have been maintained in their original condition ( or have been modified very little ) for at least 30 years, but usually since at least World War II.

Some scenes from the original version were omitted from the Saban dub, or were modified, in order to comply with Fox's Standards and practices which considered several scenes to be inappropriate for the target age group.

A modified proposal, " Mars for Less ", was developed by Grant Bonin, and has been adopted as the design reference mission for a new umbrella group of advocates, the MarsDrive consortium.

The N-terminal amino group of a polypeptide can be modified covalently, e. g.,

The C-terminal carboxylate group of a polypeptide can also be modified, e. g.,

Modesto and Anderson reviewed the many previous definitions, and proposed a modified definition which they intended to retain most traditional content of the group while keeping it stable and monophyletic.

However Halteria and its close relatives, originally considered oligotrichs, form a separate group and may even be modified stichotrichs.

This strength is modified by the gauge color charge of the particle, a group theoretical property.

In 1998 Árpád Pusztai said in an interview on a World in Action programme that his group had observed damage to the intestines and immune systems of rats fed the genetically modified potatoes.

One week, the entire group of Solid Gold Dancers managed to squeeze into a single square ; at other times, the lower left square was modified into a rectangle to accommodate extra stars or props, such as kitchens for Wolfgang Puck, Joe Carcione or Justin Wilson.

In a slightly modified molecule, a polar group is added without changing the structure of the silicone hydrogel.

The group contended that they were being forced to sue pre-emptively to protect themselves from being accused of patent infringement should their fields ever become contaminated by Monsanto's genetically modified seed.

Among those reasons the report cites: Vilsack has repeatedly demonstrated a preference for large industrial farms and genetically modified crops ; as Iowa state governor, he originated the seed pre-emption bill in 2005, effectively blocking local communities from regulating where genetically engineered crops would be grown ; additionally, Vilsack was the founder and former chair of the Governor's Biotechnology Partnership, and was named Governor of the Year by the Biotechnology Industry Organization, an industry lobbying group.

Later, this definition was modified to describe the forces acting on individual members to remain in the group, termed attraction to the group.

Futureman – the group ’ s percussionist created the “ drumitar ” ( a modified SynthAxe rigged to play percussion samples instead of a synthesizer ), which is his innovation and contribution to the music.

archegonium ) and are protected by a group of modified leaves known as the perichaetum ( plural, perichaeta ).

A key trait uniting this group is a pair of venom claws or forcipules formed from a modified first appendage.

Discriminated groups In North America and Europe frequently modified their accents, word choices, manner of dress, grooming habits, and even their names in an attempt to appear to be members of a majority group or of a privileged minority group.

) For the new season, the set was slightly modified, and the Splits ' recurring routines were all new: Fleegle attempted ( quite unsuccessfully ) to perform magic tricks as alter ego The Great Fleegali, while Super Drooper fought crime and Coach Bingo kept the rest of the group active in sports competitions.

The lens designed by Max Berek for the Leica rangefinder camera was a modified Cooke Triplet with five elements in three groups, the third group being three cemented elements, with the aperture stop in the first air space.

" Russell Long represents a modified and tone-down version of Longism but retains a basic orientation toward the active use of governmental power as a means of adjusting social and economic imbalances among group interests.