(1) A strong block to the elongation of nascent RNA transcripts by RNA polymerase II occurs in the 5' part of the mammalian c-fos proto-oncogene.
(2) The Ta loop was a smooth, elongated ellipse in configuration and showed clockwise rotation in all planes, as did the P loop.
(3) Aberrant forms (elongated and twisted) in the vacuole and double virions in the plasma membrane were observed as early as 65 h after infection.
(4) Elongation of existing RNA primers by the human polymerase-primase was semi-processive; following primer binding the DNA polymerase continuously incorporated 20 to 50 nucleotides, then it dissociated from the template DNA.
(5) The elongation of helix III with the addition of helix II at the N-terminus somewhat stabilizes the ordered structure.
(6) We show that it does apply under conditions of high ionic strength (0.3 M KCl), and under these conditions time courses may be analyzed to yield unbiased estimates of the initiation (Vi) and chain elongation (Vp) rates.
(7) These early hyperplastic lesions revealed stellate-shaped dilated bile canaliculi lined by blebs and abnormally thick elongated microvilli, a decreased number of microvilli on the sinusoidal surface, a marked increase in smooth endoplasmic reticulum, large nucleoli, and bundles of pericanalicular microfilaments.
(8) These two enzymes may act jointly in filling up the gaps along the DNA molecule and elongating the DNA chain.
(9) A radical rearrangement of the organism occurred gradually: initially oval in shape, the parasite became round, then elongated, flattened, and underwent cytokinesis.
(10) In muscle cells the mitochondria were in the process of dissolving and the sarcoplasmic reticulum formed elongate cisternae.
(11) The crus has been elongation 8 cm by Ilizarov method in 9 years old boy and 5 cm elongation of the tibia has been achieved with the use of Bastiani method in 8 years old girl.
(12) From the different shapes of the scattering curves of the native phosphofructokinase at pH 7.5 in the presence of 15 mM ATP and of the cross-linked tetramer or octamer, it can be inferred that the shapes of the protomers are different: in the presence of ATP the protomers are elongated, having an axial ratio of 1.8 to 2.0; the cross-linked state reveals a spherical protomer of radius 33.0 A, similar to that of the native enzyme at pH 7.5 in the presence of fructose 6-phosphate or fructose 1,6-bisphosphate.
(13) Whereas elongation of cDNA100 increased with time of incubation at the optimal detergent concentration, this process was retarded at higher detergent concentrations.
(14) This, along with evidence that kinesin is associated with the endoplasmic reticulum, has led to the suggestion that kinesin provides the motive force for the formation and maintenance of elongated tubulovesicular structures in cells.
(15) The results may point to an inhibition of replicon initiation, and a larger DNA chain elongation in UV-sensitive clones after UV irradiation.
(16) The cells elongate, keeping their original polarity, and acquire numerous filopodia which contain punctate junctions at sites of cell-to-cell contact.
(17) The remaining nonswarming mutants produced flagella but were defective in surface-induced elongation.
(18) The "hexagonal ribbon" model proposes that hexagonal profiles are true cross-sections of elongated hexagonal ribbons.
(19) The results raise important questions as to the actual mechanism of transcription elongation, and suggest that it is a much more complex process than previously assumed.
(20) It has been possible to separate this dissipation from that associated with elongation factor Tu function.
Spike
Definition:
(v. t.) To set or furnish with spikes.
(v. t.) To fix on a spike.
(n.) A sort of very large nail; also, a piece of pointed iron set with points upward or outward.
(n.) Anything resembling such a nail in shape.
(n.) An ear of corn or grain.
(n.) A kind of flower cluster in which sessile flowers are arranged on an unbranched elongated axis.
(v. t.) To fasten with spikes, or long, large nails; as, to spike down planks.
(v. t.) To stop the vent of (a gun or cannon) by driving a spike nail, or the like into it.
(n.) Spike lavender. See Lavender.
Example Sentences:
(1) It was tested for recovery and separation from other selenium moieties present in urine using both in vivo-labeled rat urine and human urine spiked with unlabeled TMSe.
(2) The pons, on the other hand, has a bioelectrical activity of its own during PS, i.e., the ponto-geniculo-occipital spikes (PGO).
(3) The spikes likely correspond to VP3, a hemagglutinin, while the rest of the mass density in the outer shell represents 780 molecules of VP7, a neutralization antigen.
(4) In this series there were 45 patients (40%) with independent focal interictal EEG epileptic abnormalities over frontobasal cortex (with or without independent spiking over interomedial temporal region).
(5) It was shown that gradual recovery of spike wave patterns occurred from initial water swallowing to successive dry swalllowing.
(6) One might expect that a similar news spike and rebounding of support for stricter gun control can happen, given President Obama's new push.
(7) By this action, oxytocin is believed to increase the probability of successful regenerative spikes and thereby initiate electrical activity in quiescent preparations, increase the frequency of burst discharges, the number of spikes in each burst, and the amplitude of spikes in individual cells.
(8) The differentiated neuroblastoma cell possesses characteristics of an electrically excitable cell and can generate propagated potential spikes in which Ca2+ is the inward charge carrier.
(9) Jane's life clearly still has a massive Spike-shaped hole in it.
(10) Our hypothesis is that phase unlocking may be one of the induction mechanisms of spike-burst activity.
(11) The threshold of epileptic spiking varied inversely with the area of cortical damage inflicted by the electrode.
(12) In some ways, the Gandolfini performance that his fans may savour most is his voice work in Spike Jonze's Where the Wild Things Are (2009), the cult screen version of Maurice Sendak 's picture book classic – he voiced Carol, one of the wild things, an untamed, foul-mouthed figure.
(13) The best understood fusion mechanism is that of influenza virus, for which sequences involved in pH-dependent fusion can be correlated with the crystallographic structure of the spike protein.
(14) Single shocks applied to medullary pressor sites evoked a train of spikes in the interneurons.
(15) Many subjects have a negative spike in the beginning of a saccade in electro-oculographic signals.
(16) This enhancement of laminin synthesis corresponds to the mesangial expansion and to the development of laminin-containing spike formations of the glomerular basement membrane at week 8.
(17) A train of conditioning stimuli to either of the midbrain nuclei produced inhibition of evoked population spikes recorded in the CA1 pyramidal cell layer of the hippocampus.
(18) The brief (3 ms) afterhyperpolarizations that followed such spikes were blocked by intracellular injections of Cs+ or by bath applications of tetraethylammonium.
(19) They discharged one or two spikes only at the beginning of depolarizing current pulses.
(20) An increase followed by a decrease in the number of spikes per burst and a reduction in the peak activity were observed.