What's the difference between compact and pack?

Compact


Definition:

  • (p. p. & a) Joined or held together; leagued; confederated.
  • (p. p. & a) Composed or made; -- with of.
  • (p. p. & a) Closely or firmly united, as the particles of solid bodies; firm; close; solid; dense.
  • (p. p. & a) Brief; close; pithy; not diffuse; not verbose; as, a compact discourse.
  • (v. t.) To thrust, drive, or press closely together; to join firmly; to consolidate; to make close; -- as the parts which compose a body.
  • (v. t.) To unite or connect firmly, as in a system.
  • (n.) An agreement between parties; a covenant or contract.

Example Sentences:

  • (1) The estimated DNA compaction ratio (approximately 3-fold) is consistent with a significant degree of nucleosome unfolding in the hyperstimulated BR genes.
  • (2) DNA compactization by protamines and histones HI is discussed in terms of the results obtained.
  • (3) At S-L clefts, paranodal-nodal regions, and Schwann cell nuclei, the axonal areas were smaller and the NF densities were higher than at compact myelinated regions.
  • (4) A compact attachment for microscope-type instruments is described enabling to introduce, rapidly and qualitatively, minute biological speciments into melted embedding medium and ensuring the safety of optics.
  • (5) Laminin was already present on the cell surface at the 2-cell stage, while nidogen was first detectable on compacted 8- to 16-cell stage morulae.
  • (6) Both types of molecules are compact and globular in shape and apparently contain beta-pleated sheet conformation.
  • (7) The tail region appeared to be cleaved off, making the head region less compact.
  • (8) Qualitatively the cell aspirator collected epithelial cells which were better preserved morphologically, but also a larger number of compact cell clusters.
  • (9) The ultrastructural study of nucleoli and ribonucleoprotein-containing structures in human seminiferous tubules revealed that the nucleoli of spermatogonia, spermatocytes and Sertoli cells exhibited a tripartite structure consisting of: a fibrillar center, a compact granular portion, and a reticular portion containing both pars fibrosa and pars granulosa.
  • (10) Compaction of the morula is a prerequisite for subsequent differentiation of the mouse embryo.
  • (11) Most double-helical segments were reactive to cobra venom ribonuclease to some degree; the exceptions were the five "long-range" helices that are probably compactly folded within the structure.
  • (12) During powder compaction on a Manesty Betapress, peak pressures, Pmax, are reached before the punches are vertically aligned with the centres of the upper and lower compression roll support pins.
  • (13) Based on these results we propose that the linearization of the DNA elution dose-response curve observed after chromatin decondensation reflects a reduction in the degree of chromatin compactness in the nuclear complexes that leads to a relatively uniform distribution of the DNA on the filter and reduces trapping of elutable material in the compact nuclear structures otherwise present.
  • (14) Cleavage to the compacted and cavitating stages was achieved in 78% and 69%, respectively, of human embryos cocultured in 24-48 hour human ampullary subcultures as compared to 50% and 33%, respectively, for embryos grown in culture medium alone.
  • (15) These observations strongly suggest that (i) GCN4 specifically recognizes the central base pair, (ii) the optimal half-site for GCN4 binding is ATGAC, not ATGAG, and (iii) GCN4 is a surprisingly flexible protein that can accommodate the insertion of a single base pair in the center of its compact binding site.
  • (16) In fact, the large scattering angle we chose, theta = 135 degrees, allowed us to assemble a very compact source-detector device.
  • (17) A monoclonal antibody to the cell adhesion molecule, E-cadherin, which mediates mouse embryo compaction, completely blocks compaction induced by these activators of PKC.
  • (18) At rostral levels, one third of the tracts are loosely built forming a king of curtain, while they become more compact at caudal levels.
  • (19) This shows that the compaction of chromatin associated with transcriptional inactivation does not require phosphorylation of H3 and suggests that the level of basal phosphorylation of H1 is not correlated with the intensity of transcription or DNA replication.
  • (20) After 8 days of incubation, SM subdivides into superficial (compact) and deep (disperse) sublaminae.

Pack


Definition:

  • (n.) A pact.
  • (n.) A bundle made up and prepared to be carried; especially, a bundle to be carried on the back; a load for an animal; a bale, as of goods.
  • (n.) A number or quantity equal to the contents of a pack; hence, a multitude; a burden.
  • (n.) A number or quantity of connected or similar things
  • (n.) A full set of playing cards; also, the assortment used in a particular game; as, a euchre pack.
  • (n.) A number of hounds or dogs, hunting or kept together.
  • (n.) A number of persons associated or leagued in a bad design or practice; a gang; as, a pack of thieves or knaves.
  • (n.) A shook of cask staves.
  • (n.) A bundle of sheet-iron plates for rolling simultaneously.
  • (n.) A large area of floating pieces of ice driven together more or less closely.
  • (n.) An envelope, or wrapping, of sheets used in hydropathic practice, called dry pack, wet pack, cold pack, etc., according to the method of treatment.
  • (n.) A loose, lewd, or worthless person. See Baggage.
  • (n.) To make a pack of; to arrange closely and securely in a pack; hence, to place and arrange compactly as in a pack; to press into close order or narrow compass; as to pack goods in a box; to pack fish.
  • (n.) To fill in the manner of a pack, that is, compactly and securely, as for transportation; hence, to fill closely or to repletion; to stow away within; to cause to be full; to crowd into; as, to pack a trunk; the play, or the audience, packs the theater.
  • (n.) To sort and arrange (the cards) in a pack so as to secure the game unfairly.
  • (n.) Hence: To bring together or make up unfairly and fraudulently, in order to secure a certain result; as, to pack a jury or a causes.
  • (n.) To contrive unfairly or fraudulently; to plot.
  • (n.) To load with a pack; hence, to load; to encumber; as, to pack a horse.
  • (n.) To cause to go; to send away with baggage or belongings; esp., to send away peremptorily or suddenly; -- sometimes with off; as, to pack a boy off to school.
  • (n.) To transport in a pack, or in the manner of a pack (i. e., on the backs of men or beasts).
  • (n.) To envelop in a wet or dry sheet, within numerous coverings. See Pack, n., 5.
  • (n.) To render impervious, as by filling or surrounding with suitable material, or to fit or adjust so as to move without giving passage to air, water, or steam; as, to pack a joint; to pack the piston of a steam engine.
  • (v. i.) To make up packs, bales, or bundles; to stow articles securely for transportation.
  • (v. i.) To admit of stowage, or of making up for transportation or storage; to become compressed or to settle together, so as to form a compact mass; as, the goods pack conveniently; wet snow packs well.
  • (v. i.) To gather in flocks or schools; as, the grouse or the perch begin to pack.
  • (v. i.) To depart in haste; -- generally with off or away.
  • (v. i.) To unite in bad measures; to confederate for ill purposes; to join in collusion.

Example Sentences:

  • (1) The predicted non-Lorentzian line shapes and widths were found to be in good agreement with experimental results, indicating that the local orientational order (called "packing" by many workers) in the bilayers of small vesicles and in multilamellar membranes is substantially the same.
  • (2) Squadron Leader Kevin Harris, commander of the Merlins at Camp Bastion, the main British base in Helmand, praised the crews, adding: "The Merlins will undergo an extensive programme of maintenance and cleaning before being packed up, ensuring they return to the UK in good order."
  • (3) We have compared two new methods (a solvent extraction technique and a method involving a disposable, pre-packed reverse phase chromatography cartridge) with the standard method for determining the radiochemical purity of 99Tcm-HMPAO.
  • (4) Solely infectious waste become removed hospital-intern and -extern on conditions of hygienic prevention, namely through secure packing during the transport, combustion or desinfection.
  • (5) Glucose, osmotic pressure, packed cell volume, PFC by combustion and volatilization were also measured in blood samples.
  • (6) These levels are sufficient to maintain normal in vivo rates of mRNA and rRNA synthesis, but the average density of packing of polymerases on DNA is considerably less than the maximum density predicted by Miller and Bakken (1972), suggesting that initiation of polymerases of DNA is a limiting factor in the control of transcription.
  • (7) The crystallographic parameters of four different unit cells, all of which are based on hexagonal packing arrangements, indicate that the fundamental unit of the complex is composed of six gene 5 protein dimers.
  • (8) In 67 patinets with abnormal mammograms, breast angiography was performed using a "lo-dose vaccum packed film screen system".
  • (9) The cells are predominantly monopolar, tightly packed, and are flattened at the outer border of the ring.
  • (10) The majority of intensively stained and densely packed cells have been observed in tv nucleus.
  • (11) The wall of the yolk sac thickens as a result of this infolding and the densely packed capillaries.
  • (12) All 17 candidates are going to be participating in debate night and I think that’s a wonderful opportunity Reince Priebus Republican party officials have defended the decision to limit participation, pointing out that the chasing pack will get a chance to debate separately before the main event.
  • (13) The supporters – many of them wearing Hamas green headbands and carrying Hamas flags – packed the open-air venue in rain and strong winds to celebrate the Islamist organisation's 25th anniversary and what it regards as a victory in last month's eight-day war with Israel.
  • (14) Changes in the determinants of blood viscosity (packed cell volume, plasma viscosity, red cell aggregation, and red cell deformability) were studied on day 1 and day 5.
  • (15) They had watched him celebrate mass with three million pilgrims on the packed-out shores of Copacabana beach .
  • (16) In terms of segmental motion and anisotropy of packing the lipoprotein-X bilayer closely resembles a model bilayer system consisting of phosphatidylcholine, lysophosphatidylcholine, sphingomyelin and cholesterol mixed in the same molar ratio as in lipoprotein-X.
  • (17) There is little doubt that when it opens next Thursday, One New Change will be jam-packed with City workers and tourists.
  • (18) Treatment with chloroquine and primaquine, together with packed red cell transfusions, was successful in eliminating both the malaria parasites and the leukaemoid blood picture.
  • (19) The authors consider that this device increases safety during this potentially hazardous procedure by eliminating the flammable polyvinyl chloride endotracheal tube and cottonoid packings most frequently used during this procedure.
  • (20) The media, smelling blood, has fallen into pack formation.