What's the difference between envelope and letter?

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.

Letter


Definition:

  • (n.) One who lets or permits; one who lets anything for hire.
  • (n.) One who retards or hinders.
  • (n.) A mark or character used as the representative of a sound, or of an articulation of the human organs of speech; a first element of written language.
  • (n.) A written or printed communication; a message expressed in intelligible characters on something adapted to conveyance, as paper, parchment, etc.; an epistle.
  • (n.) A writing; an inscription.
  • (n.) Verbal expression; literal statement or meaning; exact signification or requirement.
  • (n.) A single type; type, collectively; a style of type.
  • (n.) Learning; erudition; as, a man of letters.
  • (n.) A letter; an epistle.
  • (v. t.) To impress with letters; to mark with letters or words; as, a book gilt and lettered.

Example Sentences:

  • (1) Richard Bull Woodbridge, Suffolk • Why does Britain need Chinese money to build a new atomic generator ( Letters , 20 October)?
  • (2) Accuracy of discrimination of letters at various preselected distances was determined each session while Ortho-rater examinations were given periodically throughout training.
  • (3) She was not aware that it was an assassination attempt by alleged foreign agents.” If at least one of the women thought the killing was part of an elaborate prank, it might explain the “LOL” message emblazoned in large letters one of the killers t-shirts.
  • (4) And, according to a letter leaked to the BBC last week , he reckons he has found one: default-on.
  • (5) Fry's letter was also delivered to the Lausanne headquarters of the International Olympic Committee, by Guillaume Bonnet of the campaign group All Out .
  • (6) It’s gender, age, disability, sexual orientation, social background, and – most important of all, as far as I’m concerned – diversity of thought.” Diversity needs action beyond the Oscars | Letters Read more He may have provided the Richard Littlejohn wishlist from hell – you know the one, about the one-legged black lesbian in a hijab favoured by the politically correct – but as a Hollywood A-lister, the joke’s no longer on him.
  • (7) We have much more fighting to do!” Now Cherwell is preparing to publish letters or articles from other students who have been inspired to open up about their own ordeals.
  • (8) The reported study demonstrates that performance asymmetries between normal or reflected letters presented in the right and left visual field favors the right visual field when stimulus patterns are blocked and rotated 90 degrees clockwise and favors the left visual field when they are blocked and rotated 90 degrees counterclockwise.
  • (9) The letters of discharge or the case records were obtained for all patients under one year for the entire period and for all patients over one year for the period 1984-1986, a total of 627 persons.
  • (10) But under Comey’s FBI, the agency has continued to disregard the justice department’s legal opinion, and to this day, demands tech companies hand it all sorts of data under due-process free National Security Letters.
  • (11) The letter to Florence Nightingale was written by Bernita Decker as part of a nursing course assignment for our Nurse Educator advisor, Betty Pugh.
  • (12) A letter Acosta received warned her of a Snap cut of $11 for each family member in November.
  • (13) However, the law minister indicated he would allow the supreme court to approve a draft of the letter.
  • (14) These letters are also written during a period when Joyce was still smarting from the publishing difficulties of his earlier works Dubliners and A Portrait of the Artist as a Young Man.” Gordon Bowker, Joyce’s biographer, agreed: “Joyce’s problem with the UK printers related to the fact that here in those days printers were as much at risk of prosecution on charges of publishing obscenities as were publishers, and would simply refuse to print them.
  • (15) The prime minister sent back a letter dismissing his allegations.
  • (16) She kept it up for three years, until her son's letters finally persuaded her to cut down to one day a week.
  • (17) The letter praised the company's progress in responding to the inspection.
  • (18) The letters, seen by Guardian Money, state that the French-owned company is conducting a review of customer records to make sure all its information is up to date.
  • (19) The day it opened in the US, three senators – senate select committee on intelligence chairwoman Dianne Feinstein, Carl Levin and John McCain – released a letter of protest to Sony Pictures's CEO, citing their committee's 6,000-page classified report on interrogation tactics and calling on him "to state that the role of torture in the hunt for Osama bin Laden is not based on the facts, but rather part of the film's fictional narrative".
  • (20) "Fifa received a letter via email and fax from the Costa Rica FA on March 24 with regards to the 2014 FIFA World Cup qualifier played on March 22 between USA and Costa Rica," Fifa said.