What's the difference between mark and observe?

Mark


Definition:

  • (n.) A license of reprisals. See Marque.
  • (n.) An old weight and coin. See Marc.
  • (n.) The unit of monetary account of the German Empire, equal to 23.8 cents of United States money; the equivalent of one hundred pfennigs. Also, a silver coin of this value.
  • (n.) A visible sign or impression made or left upon anything; esp., a line, point, stamp, figure, or the like, drawn or impressed, so as to attract the attention and convey some information or intimation; a token; a trace.
  • (n.) A character or device put on an article of merchandise by the maker to show by whom it was made; a trade-mark.
  • (n.) A character (usually a cross) made as a substitute for a signature by one who can not write.
  • (n.) A fixed object serving for guidance, as of a ship, a traveler, a surveyor, etc.; as, a seamark, a landmark.
  • (n.) A trace, dot, line, imprint, or discoloration, although not regarded as a token or sign; a scratch, scar, stain, etc.; as, this pencil makes a fine mark.
  • (n.) An evidence of presence, agency, or influence; a significative token; a symptom; a trace; specifically, a permanent impression of one's activity or character.
  • (n.) That toward which a missile is directed; a thing aimed at; what one seeks to hit or reach.
  • (n.) Attention, regard, or respect.
  • (n.) Limit or standard of action or fact; as, to be within the mark; to come up to the mark.
  • (n.) Badge or sign of honor, rank, or official station.
  • (n.) Preeminence; high position; as, particians of mark; a fellow of no mark.
  • (n.) A characteristic or essential attribute; a differential.
  • (n.) A number or other character used in registring; as, examination marks; a mark for tardiness.
  • (n.) Image; likeness; hence, those formed in one's image; children; descendants.
  • (n.) One of the bits of leather or colored bunting which are placed upon a sounding line at intervals of from two to five fathoms. The unmarked fathoms are called "deeps."
  • (v. t.) To put a mark upon; to affix a significant mark to; to make recognizable by a mark; as, to mark a box or bale of merchandise; to mark clothing.
  • (v. t.) To be a mark upon; to designate; to indicate; -- used literally and figuratively; as, this monument marks the spot where Wolfe died; his courage and energy marked him for a leader.
  • (v. t.) To leave a trace, scratch, scar, or other mark, upon, or any evidence of action; as, a pencil marks paper; his hobnails marked the floor.
  • (v. t.) To keep account of; to enumerate and register; as, to mark the points in a game of billiards or cards.
  • (v. t.) To notice or observe; to give attention to; to take note of; to remark; to heed; to regard.
  • (v. i.) To take particular notice; to observe critically; to note; to remark.

Example Sentences:

  • (1) Herpesviruses such as EBV, HSV, and human herpes virus-6 (HHV-6) have a marked tropism for cells of the immune system and therefore infection by these viruses may result in alterations of immune functions, leading at times to a state of immunosuppression.
  • (2) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
  • (3) Following in vitro C activation in NHS by delta IgG, the 40 KD C4d component increased markedly.
  • (4) However, when cross-linked to anti-CD4 or anti-CD8 antibodies a markedly enhanced proliferation of the corresponding subpopulation is observed.
  • (5) When chimeric animals were subjected to a lethal challenge of endotoxin, their response was markedly altered by the transferred lymphoid cells.
  • (6) Increased dietary protein intake led to increased MDA per nephron, increased urinary excretion of MDA, and increased MDA per milligram protein in subtotally nephrectomized animals, and markedly increased the glutathione redox ratio.
  • (7) Cyclic AMP stimulated phosphorylation by [gamma-32P]ATP of two proteins of apparent Mr = 20,000 and 7,000 that were concentrated in sarcoplasmic reticulum, but the stimulation was markedly dependent on the presence of added soluble cyclic AMP-dependent protein kinase.
  • (8) Surprisingly, the clonal elimination of V beta 6+ cells is preceded by marked expansion of these cells.
  • (9) Muscle weakness and atrophy were most marked in the distal parts of the legs, especially in the gastrocnemius and soleus muscles, and then spread to the thighs and gluteal muscles.
  • (10) of PLA2 caused marked degranulation of mast cells in the rat mesentery which was facilitated by addition of calcium ion (10 mM) but antagonized by pretreating with three antiinflammatory agents.
  • (11) report the complications registered, in particular: lead's displacing 6.2%, run away 0.7%, marked hyperthermya 0.0%, haemorrage 0.4%, wound dehiscence 0.3%, asectic necrosis by decubitus 5%, septic necrosis 0.3%, perforation of the heart 0.2%, pulmonary embolism 0.1%.
  • (12) Marked enhancement of IFN-gamma production by T cells was seen in the presence of as little as 0.3% thymic DC.
  • (13) This effect was more marked in breast cancer patients which may explain our earlier finding that women with upper body fat localization are at increased risk for developing breast cancer.
  • (14) Completeness of isolation of the coronary and systemic circulations was shown by the marked difference in appearance times between the reflex hypotensive responses from catecholamine injections into the isolated coronary circulation and the direct hypertensive response from a similar injection when the circulations were connected as well as by the marked difference between the pressure pulses recorded simultaneously on both sides of the aortic balloon separating the two circulations.4.
  • (15) A marked overlap of input from the two eyes is an unusual feature for a diprotodont marsupial and has previously been seen only in the feathertail glider.
  • (16) The erythrocyte sedimentation rate is almost always markedly elevated.
  • (17) Marks out of 10: Enyeama 9 ; Odiah 4 , Shittu 6 , Yobo 6 , Taiwo 4 (Uche 74 6 ); Kaita 4 , Lukman 5 , Etuhu 3 , Obasi 5 (Odemwingie 60 6 ); Yakubu 5 , Obinna 3 (Martins 52 6 )
  • (18) Sixteen patients (27%) manifested anomalies of the urinary tract: 12 had markedly altered kidneys, 8 of which were unilateral and ipsilateral to the diaphragmatic defect.
  • (19) Her muscle weakness and hyperCKemia markedly improved by corticosteroid therapy, suggesting that the diagnosis was compatible with polymyositis (PM).
  • (20) The introduction of intravenous, high-dose thrombolytic therapy during a brief period has markedly reduced mortality of patients with acute myocardial infarction.

Observe


Definition:

  • (v. t.) To take notice of by appropriate conduct; to conform one's action or practice to; to keep; to heed; to obey; to comply with; as, to observe rules or commands; to observe civility.
  • (v. t.) To be on the watch respecting; to pay attention to; to notice with care; to see; to perceive; to discover; as, to observe an eclipse; to observe the color or fashion of a dress; to observe the movements of an army.
  • (v. t.) To express as what has been noticed; to utter as a remark; to say in a casual or incidental way; to remark.
  • (v. i.) To take notice; to give attention to what one sees or hears; to attend.
  • (v. i.) To make a remark; to comment; -- generally with on or upon.

Example Sentences:

  • (1) The patterns observed were: clusters of granules related to the cell membrane; positive staining localized to portions of the cell membrane, and, less commonly, the whole cell circumference.
  • (2) However, this deficit was observed only when the sample-place preceded but not when it followed the interpolated visits (second experiment).
  • (3) In conclusion, in S-rats a glucose-stimulated insulin release is accompanied by an increase in IBF, but this is not observed in P-rats.
  • (4) The combined immediate and delayed responses to fleas in the dog are as observed by other investigators in man and guinea pigs.
  • (5) However, when cross-linked to anti-CD4 or anti-CD8 antibodies a markedly enhanced proliferation of the corresponding subpopulation is observed.
  • (6) Using monoclonal antibodies directed against the plasma membrane of Madin-Darby canine kidney (MDCK) cells, we demonstrated previously that a glycoprotein with an Mr = 23,000 (gp23) had a non-polarized cell surface distribution and was observed on both the apical and basolateral membranes (Ojakian, G. K., Romain, R. E., and Herz, R. E. (1987) Am.
  • (7) Stimulation is also observed with mixtures of APC expressing DPw3 and APC expressing A1, and likewise, DPw3+ APC become stimulatory when preincubated with supernatants from A1-positive cells.
  • (8) For this reason, these observations should not be disregarded.
  • (9) No differences between the two substances were observed with respect to side effects and general tolerability.
  • (10) The testing of other models and their failure to describe the kinetic observations are discussed.
  • (11) The extrusion of granules into the intercellular space via exocytosis is frequently observed.
  • (12) The time of observation varied between 2 and 17 years.
  • (13) Insensitive variants die more slowly than wild type cells, with 10-20% cell death observed within 24 h after addition of dexamethasone.
  • (14) The subcellular distribution of sialyltransferase and its product of action, sialic acid, was investigated in the undifferentiated cells of the rat intestinal crypts and compared with the pattern observed in the differentiated cells present in the surface epithelium.
  • (15) No reaction product was observed in the lamellar areas.
  • (16) Cyanoacrylate and PDS coatings were not detectable after 6 weeks while PHBA and PLLA coatings were still observed after 48 weeks.
  • (17) A total of 13 ascertainments of folate sensitive autosomal fragile sites is observed, of which 10q23 fragility appears to be the most frequent.
  • (18) This new observation offers good possibilities to study the metabolism of tryptophan at the cellular level.
  • (19) These membrane perturbation effects not observed with bleomycin-iron in the presence of a hydroxyl radical scavenger, dimethyl thiourea, or a chelating agent, desferrioxamine, were correlated with the ability of the complex to generate highly reactive oxygen species.
  • (20) The fluctuations in [Ca2+]i measured with fura-2 were synchronized among the population of cells observed and were sensitive to extracellular Ca2+ concentration ([Ca2+]o).