What's the difference between polyhedra and polyhedron?

Polyhedra


Definition:

  • (pl. ) of Polyhedron

Example Sentences:

  • (1) Adjacent organic anions are separated by the Li+ ions and their coordination polyhedra, with the water molecules occupying positions above and below the naphthalene rings and participating in a three-dimensional hydrogen-bonded network.
  • (2) Western blot analysis and immunofluorescent microscopy of polyhedra solubilized under various conditions indicated that p32 is associated with the polyhedral envelope.
  • (3) Also, there appears to be a rough correlation between the capability of a given clone to serve as an indicator and the rate at which polyhedra first appear in the nuclei of the infected cells, with the best indicators producing polyhedra first.
  • (4) Like the American viruses, the Chinese viruses were large polyhedra and sensitive to chloroform.
  • (5) In an electron microscope, the phage particles appear as small polyhedra, 23 nm in diameter.
  • (6) Paracrystalline inclusion bodies (polyhedra) which occlude insect viruses are bounded by two membrane units which are closely appressed.
  • (7) The perbromate ion, but neither of the sodium coordination polyhedra, shows rigid-body behavior.
  • (8) The virions were released from the polyhedra by alkali treatment and purified by either rate zonal or equilibrium centrifugation in sucrose gradients.
  • (9) Likewise, polyhedrin showed no major concentrations outside of developing or mature polyhedra.
  • (10) Electron micrographs of MP polyhedra showed bundles of nucleocapsids of normal length within the polyhedra, whereas FP polyhedra contained heterogeneous, electron-dense material, which could account for their lack of pathogenicity.
  • (11) For about 10 days production of 10(7) polyhedra (virus particles embedded in a protein capsule) per cm3 was achieved.
  • (12) Recombinants were found which assembled cubic polyhedra in infected cells, had the BamHI restriction site missing, and had an altered mobility of their polyhedrin polypeptide.
  • (13) A recombinant virus, vETL beta gal, containing the Escherichia coli beta-galactosidase (beta gal) gene fused to the N-terminal two-thirds of the ETL ORF, produced blue plaques in the presence of a chromogenic indicator of beta gal and wild-type levels of polyhedra in cell culture.
  • (14) A series of monoclonal antibodies was produced against proteins from polyhedra-derived virions of the multicapsid nuclear polyhedrosis virus of Orgyia pseudotsugata (OpMNPV).
  • (15) The positive Hamm test obtained in the nucleoli shows that this test cannot be regarded as specific for nuclear polyhedra.
  • (16) However, an evaluation (mean values) of the total changes in groups of fish suggested that a relationship may exist in the suckers exposed to either purified polyhedra or virions.
  • (17) The Ca-O distances in all three polyhedra are in the range 2.07 A to 2.64 A, indicating tightly bound Ca polyhedra.
  • (18) The p87 protein was shown to be a component of both budded and polyhedra-derived virus and purified capsids.
  • (19) Both infectious tissue culture supernatants or virus isolated directly from polyhedra could be titrated.
  • (20) The number of polyhedra, nonoccluded virions, and TCID(5 0) produced per cell was also presented.

Polyhedron


Definition:

  • (n.) A body or solid contained by many sides or planes.
  • (n.) A polyscope, or multiplying glass.

Example Sentences:

  • (1) These viruses are short-tailed polyhedrons resembling the SpV3 virus of Spiroplasma citri, and all have been shown to lyse at least one other strain of SRO.
  • (2) In the intact and elastase-treated cages, the clathrin extends from the vertices into the interior of the polyhedron and forms an inner shell of material.
  • (3) These observations were compared with the possible combinations of polygonal sections through various polyhedral models proposed by other workers and the five classical regular polyhedrons.
  • (4) The Voronoi polyhedron of a given S-phase cell nucleus is that polyhedron of minimal volume defined by planes all of which are perpendicular bisectors of the vectors extending from the given cell to all other S-phase cells in the tumor.
  • (5) The co-ordination polyhedron displays approximate 4m2 symmetry.
  • (6) A minimal data structure of the polyhedron is then proposed, which contains only topological informations, since no coordinates have been generated.
  • (7) We hypothesize that this distinct 9S form represents a major oligomeric subunit involved in assembly and disassembly of clathrin polyhedron coats in the living cell.
  • (8) Bioassays of the two pure virus variants in M. brassicae larvae have shown the LD50 values to be 4610 polyhedron inclusion bodies (pibs) for PfMNPV(A) and 5937 pibs for PfMNPV(B).
  • (9) Electron micrographs suggest that the eight subunits form a polyhedron of point symmetry D4, or 42.
  • (10) A suitable composition for the residual glass phase of bioactive glass-ceramics can be found approximately and controlled on the basis of calculation of a structural parameter Y, which in the simplified concept of the glass structure corresponds to the mean number of bridging oxygens per polyhedron in the glass lattice.
  • (11) The direct assay using 125I-labeled rabbit immunoglobulins could detect 0.2 microng of polyhedron protein, and the indirect method using 125I-labeled sheep antirabbit immunoglobulins could detect 0.05 microng of polyhedron protein.
  • (12) Morphologically, the virus is a rectilinear polyhedron 270 A in diameter, without a process.
  • (13) The biological function of zinc is governed by the composition of its tetrahedral coordination polyhedron in the metalloprotein, and each ligand group that coordinates to the metal ion does so with a well-defined stereochemical preference.
  • (14) Successive calvarial and craniofacial polyhedron expansion, as well as weight, showed considerable variability and interindividual variation throughout the observation period.
  • (15) A complementary DNA that encodes a bovine brain, calmodulin-sensitive (type I) adenylylcyclase has been inserted into the baculovirus genome under the control of the strong polyhedron promoter.
  • (16) The head of phi25 is a regular polyhedron measuring 75 nm in diameter.
  • (17) RV volume was calculated from the polyhedron created by the markers by decomposing the polyhedron into 24 tetrahedrons, each of whose volumes could be solved from the xyz-coordinates of markers.
  • (18) for the optimum approximation of experimentally obtained values of the output signal, the method of the changeable polyhedron was applied belonging to the optimalization numerical methods used in the regulation technics.
  • (19) The coordination polyhedron of catalytic zinc is usually dominated by histidine side chains.
  • (20) The weak NO3- inhibitor does not displace Wat263 from the metal coordination but occupies a fifth binding site changing the zinc coordination polyhedron into a slightly distorted trigonal bipyramid.

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