(n.) One of the very small invisible particles of which all matter is supposed to consist.
(n.) The smallest part of any substance which possesses the characteristic properties and qualities of that substance, and which can exist alone in a free state.
(n.) A group of atoms so united and combined by chemical affinity that they form a complete, integrated whole, being the smallest portion of any particular compound that can exist in a free state; as, a molecule of water consists of two atoms of hydrogen and one of oxygen. Cf. Atom.
Example Sentences:
(1) A series of human cDNA clones of various sizes and relative localizations to the mRNA molecule were isolated by using the human p53-H14 (2.35-kilobase) cDNA probe which we previously cloned.
(2) Glucocorticoids have numerous effects some of which are permissive; steroids are thus important not only for what they do, but also for what they permit or enable other hormones and signal molecules to do.
(3) The results demonstrated that K2PtCl4 was bound to a greater degree than CDDP in this system with 3-5 and 1-2 platinum atoms respectively, bound per transferrin molecule.
(4) Complementarity determining regions (CDR) are conserved to different extents, with the first CDR region in all family members being among the most conserved segments of the molecule.
(5) Even with hepatic lipase, phospholipid hydrolysis could not deplete VLDL and IDL of sufficient phospholipid molecules to account for the loss of surface phospholipid that accompanies triacylglycerol hydrolysis and decreasing core volume as LDL is formed (or for conversion of HDL2 to HDL3).
(6) However, the presence of these two molecules was restored if testosterone was supplemented immediately after orchiectomy.
(7) In the second approach, attachment sites of DTPA groups were directed away from the active region of the molecule by having fragment E1,2 bound in complex, with its active sites protected during the derivatization.
(8) PMNs could be primed for PMA-triggered oxidative burst by muramyl peptide molecules (MDP) and two of its adjuvant active nonpyrogenic derivatives.
(9) These same molecules may be equally responsible for the pathologic characteristics of the immune response seen, for example, in inflammatory bowel diseases.
(10) A cDNA library prepared from human placenta has been screened for sequences coding for factor XIIIa, the enzymatically active subunit of the factor XIII complex that stabilizes blood clots through crosslinking of fibrin molecules.
(11) T cell costimulation by molecules on the antigen presenting cell (APC) is required for optimal T cell proliferation.
(12) The lipid A moiety was shown to be responsible for this novel biological activity of the LPS molecule.
(13) Both systems indicated that the Kupffer cell modified endotoxin by enriching the lipid content of the molecule and shortening the length of the O-antigen.
(14) Photoreactions induced in that proper sensitizer molecules absorb UV-light or visible light.
(15) At 100 microM-ACh the apparent open time became shorter probably due to channel blockade by ACh molecules.
(16) Flow cytofluorometric analysis of the strain distribution of the molecules defined by the mAb revealed that two of the antibodies (I-22 and III-5) were directed against nonpolymorphic determinants of Thy-1, whereas V-8 mAb reacted only with Thy-1.2+ lymphocytes.
(17) At a fixed concentration of nucleotide the effectiveness of elution was proportional to the charge on the eluting molecule.
(18) The relative rates of reduction of several spin-labeled molecules that partition differently across the hy-drophobic-interface of inner membranes from rat liver mitochondria were investigated.
(19) The seve polypeptide chains investigated had generalyy similar properties; all contained two residues per molecule of tryptophan and N-acetylserine was the common N-terminal amino acid residue.
(20) Much information has accumulated on the isolation and characterization of a heterogeneous group of molecules that inhibit one or more of the bioactivities of interleukin 1.
Speck
Definition:
(n.) The blubber of whales or other marine mammals; also, the fat of the hippopotamus.
(n.) A small discolored place in or on anything, or a small place of a color different from that of the main substance; a spot; a stain; a blemish; as, a speck on paper or loth; specks of decay in fruit.
(n.) A very small thing; a particle; a mite; as, specks of dust; he has not a speck of money.
(n.) A small etheostomoid fish (Ulocentra stigmaea) common in the Eastern United States.
(v. t.) To cause the presence of specks upon or in, especially specks regarded as defects or blemishes; to spot; to speckle; as, paper specked by impurities in the water used in its manufacture.
Example Sentences:
(1) Given how Bank forecasts have been all over the shop, it is possible that the Old Lady's spreadsheet wizards could scupper Mr Carney's plans by spying a speck of price pressure and panicking about it turning into a giant inflationary boulder.
(2) 11.21pm GMT Tweets Jeremiah Tittle (@WWWJT) @LengelDavid @Paolo_Bandini @HunterFelt @GdnUSsports remove the wooden beam from your own eye before you remove the speck from the umpires'.
(3) Michelangelo Merisi da Caravaggio (1571-1610) died young, had a public career for only 10 years, had no workshop, bequeathed no drawings and left no pupils, and the only places he travelled to outside mainland Italy were the Mediterranean speck of Malta and, briefly, Sicily.
(4) Andreas Speck London • David Miranda's detention was an extreme case of a large-scale harassment, especially of Muslims and political activists monitored by MI5.
(5) The darting speck of fiery orange had gone, perhaps already on his way to another continent.
(6) The smallest speck, fibre and mass sizes visible in the radiographs were 0.24, 0.75 and 0.5 mm, respectively.
(7) A qualitative description of electrostatic interactions between the two cytochromes based on limited electrostatic interaction domains on the cytochrome c oxidase surface was found to be in good agreement with all our data and supports the model of Speck et al.
(8) The best machines could resolve 0.2 mm aluminium oxide specks with the contact technique.
(9) Ulrich Speck is senior fellow at the Transatlantic Academy, Washington DC
(10) Speck visibility was as dependent on the composition of the specks and of the surrounding material as on the size of the specks.
(11) The Cocos Islands is a tiny green speck in the Indian ocean nearer to Penang than Perth, settled in 1826 as a resupply base for Indian ocean traders.
(12) Fairly easy Salads Tabbouleh Most of us visualise tabbouleh as bulgur with specks of herbs, but in the Lebanon it is very green with specks of bulgur.
(13) This was the scene in Lawrence of Arabia (1962) in which Lawrence ( Peter O’Toole ) first makes contact with the Arab chieftain Sherif Ali (Sharif), who will become his key ally in the desert fighting, and the latter, in a daringly protracted sequence, develops from a speck on the horizon into a towering, huge horseman, rifle at the ready.
(14) (Speck, S.H., Dye, D. and Margoliash, E. (1984) Proc.
(15) The area is a busy shipping route connecting to the Strait of Malacca and the Pacific and is believed to have rich oil and gas deposits, meaning that the tiny specks of land that dot it have been contested by many neighbouring powers for decades.
(16) Photograph: Penny Bradfield Julia Gillard leaves the press conference Photograph: Penny Bradfield Updated at 10.01am GMT 9.09am GMT Lenore Taylor on a "speck of silver lining for Labor" Guardian Australia’s incoming political editor Lenore Taylor writes for Fairfax media that Labor’s political dysfunction has reached levels unprecedented “even for a party that has spent much of the last three years tearing itself asunder”.
(17) We obtained 2-8 fold variations for the smallest sizes of the three objects (specks, fibres and masses) visible in the X-ray images and 3.0-3.7 fold variations for an "image score".
(18) Climbing over rough ground, the route follows the rim of a dramatic escarpment above the sea, with wonderful views down to the water, often specked with passing porpoises and dolphins.
(19) This consists of multiple echogenic specks in an otherwise normal testicular parenchyma.
(20) Interphase nuclei are characterized by the distribution of chromatin; aside from the cortical chromatin spread along nuclear envelope and nucleolus, there are chromatin accumulations that belong mainly in two different classes: 1) numerous chromatin "specks" ranging in size from about 5 to 70 nm and averaging 47 nm; 2) a few roughly circular or elongated chromatin "packets" measuring from 70 to 230 nm.