What's the difference between elongation and extension?

Elongation


Definition:

  • (n.) The act of lengthening, or the state of being lengthened; protraction; extension.
  • (n.) That which lengthens out; continuation.
  • (n.) Removal to a distance; withdrawal; a being at a distance; distance.
  • (n.) The angular distance of a planet from the sun; as, the elongation of Venus or Mercury.

Example Sentences:

  • (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.

Extension


Definition:

  • (v. t.) The act of extending or the state of being extended; a stretching out; enlargement in breadth or continuation of length; increase; augmentation; expansion.
  • (v. t.) That property of a body by which it occupies a portion of space.
  • (v. t.) Capacity of a concept or general term to include a greater or smaller number of objects; -- correlative of intension.
  • (v. t.) The operation of stretching a broken bone so as to bring the fragments into the same straight line.
  • (v. t.) The straightening of a limb, in distinction from flexion.
  • (v. t.) A written engagement on the part of a creditor, allowing a debtor further time to pay a debt.

Example Sentences:

  • (1) If ascorbic acid was omitted from the culture medium, the extensive new connective tissue matrix was not produced.
  • (2) Squadron Leader Kevin Harris, commander of the Merlins at Camp Bastion, the main British base in Helmand, praised the crews, adding: "The Merlins will undergo an extensive programme of maintenance and cleaning before being packed up, ensuring they return to the UK in good order."
  • (3) Extensive studies during recent years have shown that the interaction between hormone and membrane-bound receptor can affect the receptor characteristics in at least two ways.
  • (4) During capillary growth when endothelial cells (EC) undergo extensive proliferation and migration and pericytes are scarce, hyaluronic acid (HA) levels are elevated.
  • (5) This method, which permits a more rapid formation of anastomoses, has been used to form Roux-en-Y jejunojejunostomies without extensive complications in six patients.
  • (6) The curve of mitoses peaked at the same time as that of TK activity but was only 68% as extensive.
  • (7) Our results show that large complex lipid bodies and extensive accumulations of glycogen are valuable indicators of a functionally suppressed chief cell in atrophic parathyroid glands.
  • (8) I hope I can play a major part in really highlighting the need for far more extensive family violence training within all organisations that deal with women and children, including the police and the department of human services,” Batty said.
  • (9) Mitoses of nuclei of myocytes of the left ventricle of the heart observed in two elderly people who had died of extensive relapsing infarction are described.
  • (10) When labelled long-chain fatty acids or glycerol were infused into the lactating goat, there was extensive transfer of radioactivity into milk in spite of the absence of net uptake of substrate by the mammary gland.
  • (11) Pint from £2.90 The Duke Of York With its smart greige interior, flagstone floor and extensive food menu (not tried), this newcomer feels like a gastropub.
  • (12) Extensive proliferation has been shown to accompany the de novo generation of LAK cytotoxicity.
  • (13) Extensive sequence homologies and other genetic features are shared with the related oncogenic virus, human papillomavirus type 16, especially in the major reading frames.
  • (14) Binding of I to plasma proteins was extensive but was less than that of 5-chlorosalicylic acid.
  • (15) It is a specific clinical picture with extensive soft tissue gas and swelling of the forearm.
  • (16) Comparisons of ICR locations were made between flexion and extension, between left and right limbs, and between living and dead dogs, using analysis of variance.
  • (17) Furthermore, the local interneurons make extensive efferent synaptic connections with unidentified neurons in the terminal medulla.
  • (18) Light microscopy of both apneics and snorers revealed mucous gland hypertrophy with ductal dilation and focal squamous metaplasia, disruption of muscle bundles by infiltrating mucous glands, focal atrophy of muscle fibers, and extensive edema of the lamina propria with vascular dilation.
  • (19) The mechanical forces involved in neurite extension have begun to be quantified, and interactions between the actin and microtubule systems are being further characterized.
  • (20) Concurrent with this change in the level of enforcement of RBT was an extensive publicity campaign, which warned drinking drivers of their increased risk of detection by RBT units.

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