What's the difference between arc and ark?

Arc


Definition:

  • (n.) A portion of a curved line; as, the arc of a circle or of an ellipse.
  • (n.) A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc of Hadley's quadrant.
  • (n.) An arch.
  • (n.) The apparent arc described, above or below the horizon, by the sun or other celestial body. The diurnal arc is described during the daytime, the nocturnal arc during the night.

Example Sentences:

  • (1) The scleral arc length is slightly longer than the chord length (caliper setting).
  • (2) These later results suggest that dopamine agonists increase sensorimotor reactivity measured with acoustic startle by acting on sensory rather than motor parts of the reflex arc.
  • (3) Thus, the decreased hyperemic response after arrest suggests a reduced energetic debt with CSC compared with ARC and may indicate superior myocardial protection with CSC.
  • (4) By contrast, patients with urological symptoms had a significantly increased prevalence of spina bifida occulta at S1 and S2 and a higher level of opening of posterior sacral arcs.
  • (5) The peptide-TR-FIA is specific, as assessed by testing HIV-1 positive sera which included samples from AIDS, ARC patients and HIV-positive drug users.
  • (6) In a multivariate regression model noncompliance was significantly associated with the absence of AIDS or ARC (p less than 0.001), homelessness (p less than 0.005), and alcoholism (p less than 0.05).
  • (7) This protein did show an immunoglobulin arc on immunoelectrophoresis against abovementioned antibody and against rabbit anti mouse Ig serum.
  • (8) Looping the tail of a "g", flicking the line up from the end of an "m", arcing it over an "a" or an "o".
  • (9) In contrast, the relative percentage of polyunsaturated fatty acids was 85% greater than normal (P less than 0.001) in ARC and 100% greater than normal (P less than 0.001) in AIDS-I patients.
  • (10) Average range of motion was from 17.1 degrees to 44.3 degrees, with an arc of 27.2 degrees.
  • (11) A subsequent S3 encountered further nonuniformly shortened refractoriness (normal areas had shortened refractoriness greater than ischemic areas) and the arc of block was lengthened.
  • (12) The technique consists of 3 pairs of non-coplanar arcs using a 4 MV accelerator.
  • (13) Experiments following depletion of norepinephrine suggest that the central part of the baroreceptor reflex arc does not contain adrenergic neurons.
  • (14) High concentrations of SST inhibited virus replication in 80% of LC from ARC patients, but were completely ineffective in LC from AIDS patients.
  • (15) In our series of 46 patients with Ad35 isolates, 36 had AIDS or AIDS-related complex (ARC), seven patients were immunocompromised because of other diseases, and three patients were "normal."
  • (16) The possibility of contaminating the breathing air zone with hazardous substances in manual and semi-automated welding increases with the intensity of their formation in the arc zone.
  • (17) Optical differences between a mercury arc lamp and a laser-illuminated flow cytometer are compared.
  • (18) In this report, we have compared homogeneous yeast (Saccharomyces cerevisiae) pyruvate kinase to enzyme from cell-free extracts in several different ways: 1) isoelectric focusing of cell-free extracts indicates one peak of pyruvate kinase activity whose isoelectric point is the same as that of the pure enzyme; 2) antibody prepared to the pure enzyme produces a single, fused precipitin line against enzyme in the cell-free extract and pure enzyme; 3) immunoelectrophoresis of cell-free extract produces one precipitin arc which has the same mobility as that of the pure enzyme; and 4) immunoprecipitation of the pure enzyme from cell-free extract with subsequent solubilization in 1% sodium dodecyl sulfate and electrophoresis on sodium dodecyl sulfate-polyacrylamide gels produces a single protein band attributable to pyruvate kinase which co-migrates with the purified enzyme.
  • (19) There were no significant differences in ARn concentrations in eight other nuclei that were examined for significant sex differences in ARc levels observed under these experimental conditions.
  • (20) Cells from subjects with ARC had a selective antigen recognition defect independent of the number of CD4+ lymphocytes.

Ark


Definition:

  • (n.) A chest, or coffer.
  • (n.) The oblong chest of acacia wood, overlaid with gold, which supported the mercy seat with its golden cherubs, and occupied the most sacred place in the sanctuary. In it Moses placed the two tables of stone containing the ten commandments. Called also the Ark of the Covenant.
  • (n.) The large, chestlike vessel in which Noah and his family were preserved during the Deluge. Gen. vi. Hence: Any place of refuge.
  • (n.) A large flatboat used on Western American rivers to transport produce to market.

Example Sentences:

  • (1) From the moment God speaks to him until he leaves the ark and steps on to dry land, he never says a word.
  • (2) Specific-pathogen-free leghorn sentinel chickens were vaccinated with Massachusetts (Mass) alone, Mass and JMK, or Mass and Arkansas (Ark) combination live vaccines, or they remained unvaccinated.
  • (3) The manifesto sets out how every hospital can be given the autonomy of a foundation hospital and 1,000 coasting or failing schools could join federations, including state school chains or non-state providers such as Ark.
  • (4) As with beta ARK, phosphorylation of the receptor substrates by beta ARK2 was completely stimulus dependent.
  • (5) Relying on Hitler for an analogy makes people sound as if their history lessons were limited to Indiana Jones And The Raiders Of The Lost Ark.
  • (6) The beta-adrenergic receptor kinase (beta ARK) mediates agonist-dependent phosphorylation of the beta 2-adrenergic and related G protein-coupled receptors.
  • (7) Using chimaeric beta ARKs that undergo isoprenylation in vitro, we demonstrate that membrane association and activation of these kinases can occur in the absence of beta gamma.
  • (8) Purified hamster beta 2AR was phosphorylated by cAMP-dependent protein kinase (PKA), protein kinase C (PKC), or beta AR kinase (beta ARK), and receptor function was determined by measuring the beta 2AR-agonist-promoted Gs-associated GTPase activity.
  • (9) Although maximal stimulation of beta-subunit phosphorylation was reduced to 30% in proband Ark-1 fibroblasts, this reduction was quantitatively related to reduced insulin binding.
  • (10) He could flog his fish to the secondhand shop, or maybe sell them on the street, the way his neighbour does stolen trainers, maybe diversifying into Noah’s Arks.
  • (11) Sir Mark Stanhope, the head of the navy, told the committee that the aircraft carrier Ark Royal and its jumpjet Harriers would have been used to bomb Libya had they not been axed.
  • (12) Not present at their own trial, or to bear witness to all the controversy generated by their actions, are two key figures in Zoe's Ark: chairman Éric Breteau and his partner Émilie Lelouche.
  • (13) But my grandfather saw it as the citadel, the Ark; it preserved history, which was his mission.
  • (14) He receives his orders to build the ark and sets about it.
  • (15) The Ark by Ralph Erskine, next to the Hammersmith flyover in London, is a large steel-and-glass building, an insect with its wings cut off.
  • (16) With Ark in place, offering staff better terms of pay and stability that comes with a track record of steering outstanding and good schools, the best teachers were willing to join Conway primary school's little revolution.
  • (17) This protein tyrosine kinase called ark (adhesion-related kinase) is likely to represent a new class of receptor tyrosine kinase.
  • (18) The sequence was very similar to that of the bovine beta ARK (the overall amino acid homology was 98%).
  • (19) G protein beta gamma subunits were shown to interact directly with the COOH-terminal region of beta ARK, and formation of this beta ARK-beta gamma complex resulted in receptor-facilitated membrane localization of the enzyme.
  • (20) The beta-adrenergic receptor kinase (beta-ARK), which specifically phosphorylates only the agonist-occupied form of the beta-adrenergic and closely related receptors, appears to be important in mediating rapid agonist-specific (homologous) desensitization.

Words possibly related to "ark"