What's the difference between envelope and parapet?

Envelope


Definition:

  • (n.) Alt. of Envelop

Example Sentences:

  • (1) The oral nerve endings of the palate, the buccal mucosa and the periodontal ligament of the cat canine were characterized by the presence of a cellular envelope which is the final form of the Henle sheath.
  • (2) Sequence variation in the gp116 component of cytomegalovirus envelope glycoprotein B was examined in 11 clinical strains and compared with variation in gp55.
  • (3) Thus, although ferric-enterochelin cannot penetrate the cell surface from outside, the complex that is formed within the envelope is transported normally into the cell.
  • (4) In addition, transitional macrophages with both positive granules and positive RER, nuclear envelope, negative Golgi apparatus (as in exudate- resident macrophages in vivo), and mature macrophages with peroxidatic activity only in the RER and nuclear envelope (as in resident macrophages in vivo) were found.
  • (5) Studies using serum from mice that had been immunized with synthetic peptides from the HIV envelope region suggested that this response is directed, at least in part, at several determinants of the transmembrane portion of the HIV envelope glycoprotein.
  • (6) The influence of exogenous gangliosides on the structure of the viral envelope was studied using fluorescent and photoactivatable phospholipids incorporated into the viral membrane.
  • (7) Cells infected with enveloped viruses are good systems for studying both aspects of protein glycosylation, since they contain a limited number of different glycoproteins, often with well-defined functions.
  • (8) The enzyme was removed from the cell envelope by treatment of the whole cells with sodium dodecyl sulfate, Triton X-100, sodium deoxycholate, and proteinase K.
  • (9) After virus release the major portion of precursors is assembled within an approximately 25 nm thick layer directly attached to the envelope.
  • (10) This single substitution was sufficient to abolish all detectable cleavage of the gp160 envelope precursor polypeptide as well as virus infectivity.
  • (11) The envelope glycoprotein of human immunodeficiency virus consists of two subunits, designated gp120 and gp41, derived from the cleavage of a precursor polypeptide gp160.
  • (12) Lipopolysaccharide content correlated significantly with drug uptake and sensitivity, and it appeared to determine the degree of penetration of the cell envelope by these chlorinated phenols.
  • (13) Matrix protein (36,500 daltons), one of the major polypeptides of the Escherichia coli cell envelope, is arranged in a periodic monolayer which covers the outer surface of the peptidoglycan.
  • (14) Translation of mRNA encoding vesicular stomatitis virus envelope glycoprotein G by as membrane-free ribosomal extract obtained from HeLa cells yielded a nonglycosylated protein (G1 (Mr 63,000).
  • (15) For both the single- and multiple-band signals, performance was best when the signal band(s) had a different envelope from the common envelope of the cue bands, and performance was worst when either the cue bands all had different envelopes, or the signal and cue bands all shared the same envelope.
  • (16) The data collected by several approaches reveal that assembly and maturation of vaccinia involves a tightly coupled sequence of interrelated events including the assembly of the envelope, post-translational cleavage of several virion polypeptides, and induction of the core enzymes.
  • (17) The relationship of vaccinia haemagglutinin (HA) to extracellular enveloped virus (EEV) was examined.
  • (18) April 17, 2013 The third floor isn't doing so well either: Rebecca Berg (@rebeccagberg) Capitol police email Senate offices: Police "are responding to a suspicious envelope on the third floor of the Hart Senate Office Building."
  • (19) Several fractions were extracted from the cell envelope (CE) of Neisseria meningitidis group B and characterized with regard to their morphology, antigenicity, protein composition, and toxicity.
  • (20) This preactivated merocyanine 540 was then mixed (in the dark) with tumour cells, normal cells and envelope viruses to assess its antiproliferative activity.

Parapet


Definition:

  • (n.) A low wall, especially one serving to protect the edge of a platform, roof, bridge, or the like.
  • (n.) A wall, rampart, or elevation of earth, for covering soldiers from an enemy's fire; a breastwork. See Illust. of Casemate.

Example Sentences:

  • (1) Not only will these leave many more people vulnerable, not least the very young, but also make it even less likely that they or anyone else will be listened to, if they dare to raise their head above the parapet on their behalf.
  • (2) The impending publication of the putative nude pictures, a humiliation that turned out to be a bluff, might have pulled Watson down among the lower orders of former child stars, those people who now exist in the public consciousness merely as cautionary tales to scare naughty teenagers: “Look what happened to Bieber today!”; “Did you see Cyrus in that outfit?” Although Watson has put her head above the parapet before, the provocation cited by the hoaxers was the New York speech she gave last Monday promoting the HeForShe campaign and arguing that gender discrimination harms both men and women.
  • (3) E.ON was the only one brave – or foolhardy – enough to put its head above the parapet and make a formal application to the government.
  • (4) Speaking of Suárez, he had a rather poor first-half and if Liverpool want something from this he is going to have to poke his head above the parapet.
  • (5) Click here to watch The Ashton Kutcher-starring biopic of Apple co-founder Steve Jobs has rather dropped off the radar after its premiere at Sundance - but now it's poked its head above the parapet as its August release date nears.
  • (6) It’s a way of sticking their heads above the parapet.
  • (7) Another Russian prepared to put his head above the parapet is oligarch Boris Berezovsky.
  • (8) "If you put your head above the parapet in Britain and you have self-confidence, especially if you're a woman, people don't like it."
  • (9) Yet the fact remains women who put their head above the parapet have a much harder time than men.
  • (10) The experience was a window into just how much hatred and rage you can attract simply by being a black woman who raises her head above the parapet in modern Britain.
  • (11) To the right, two prosecutors in blue uniforms sit at a desk in front of four windows looking on to a brick building with a snowy parapet and a tree petrified in ice.
  • (12) The passengers are packed so tightly that those on the outside face outwards, with their legs hanging from the parapet.
  • (13) "Nobody wants to stick their head above the parapet.
  • (14) Rexy had managed to get lodged so when looking toward the cervix using a speculum you could just see his head and front claws above this anatomical parapet.
  • (15) Douglas has never put her head above the parapet, sought out or courted the press, and always seems most at ease with other BBC radio people, with producers, and the talent, who, naturally, like her focus on them.
  • (16) If you find it’s very difficult to change things, and I had a similar problem to Heather when I was on the FA council, you know that if you stick your head over the parapet, someone is going to want to chop it off.
  • (17) They are being bullied, they are being intimidated, they are being pressurised not to support me, so we don’t have a contest.” He told the Good Morning Scotland programme: “I wouldn’t even have put my head above the parapet if I didn’t know I had that support.” He said problems with the “party machine” were about “people who want power and position and influence”.
  • (18) But one Harare-based ambassador has stuck his head above the parapet.
  • (19) In the statement, he said: "The soil we till is highly controversial, and anyone who puts their head above the parapet has to be prepared to endure a degree of public vilification.
  • (20) From there, he wrote one the earliest “panoramic” portraits of the city seen from an azotea: “ Come Sundays, and the high windows, what with the red light that they reflect, look like entrances to burning furnaces; just when the sun becomes more endurable and drags its horizontal rays across the city, the people of Mexico appear on the rooftops and give themselves to contemplating the streets, to looking up at the sky, to spying on the neighbouring houses, to not doing anything (…) It is then when the bored emerge to the rooftops, men who spend long hours reclined on parapets, looking at a tiny figure that moves around in another rooftop, on the horizon, as far as sight can carry.