(n.) A disposition to turn or incline towards the earth; the influence of gravity in determining the direction of growth of an organ.
Example Sentences:
(1) On the basis of analysis of theoretical proposals and experimental investigations of the molecular mechanism of perception and realization of the gravity stimulus, a hypothesis was developed that the key factor in the development of geotropic reaction is an interaction of cell organelles with membranes of the endoplasmic reticulum as a result of their sensing the gravity stimulus.
(2) The conspicuous negative geotropism in the leaves of A. mexicana causes the formation of basal deposits of water, which play an important functional role in survival.
(3) The substances (Tables I leads to III) prepared by fusion of the required anhydride and amine were tested to evaluate the negative geotropic effect on germinating roots of Lens esculenta Moench s.1.
(4) Twenty-four cases (77.4%) showed more than two of the following four types which are listed in serial order of occurrence: spontaneous (or direction-fixed positional) nystagmus toward the involved ear; geotropic direction-changing positional nystagmus; spontaneous (or direction-fixed positional) nystagmus toward the opposite ear; and apogeotropic direction-changing positional nystagmus.
(5) In many biological systems mechanical forces regulate gene expression: in bacteria changes in turgor pressure cause a deformation of the membrane and induce the expression of osmoregulatory genes; in plants gravity regulates cell growth ('geotropism'); in mammals stretching a muscle induces hypertrophy which is accompanied by qualitative changes in protein synthesis.
(6) Rolling the patient onto the other side provokes a left intense geotropic nystagmus.
(7) Typical hairy root traits, high growth rate, branching and, most noticeably, absence of geotropism, were shown by roots containing rolB alone, while roots with rolA + B + C were geotropic as normal carrot roots.
(8) The authors take into account two different types of stationary, persistent and direction-changing nystagmus (ny): 1) the horizontal bidirectional ny (nyOB), apogeotropic (nyOBA) and geotropic (nyOBG); 2) the tridirectional apogeotropic ny (nyAT).
(9) Henry), depleted of amyloplast starch by incubation at 30 degrees C with gibberellin plus kinetin, retained their geotropic responsiveness.
(10) Basic work carried out recently on the role of the structural-functional condition of cell organelles in the development of geotropic reaction in higher plants is reviewed.
(11) The radicles of both plant species treated with these compounds at concentrations higher than 1.0 x 10(-4) M showed negative geotropism, even though germination occurred.
(12) In the early period after its administration, geotropic type positional nystagmus was induced.
(13) Plants containing the left T-DNA (TL) of Agrobacterium rhizogenes show a variety of developmental abnormalities that include severely wrinkled leaves, loss of apical dominance, reduced geotropism of roots, reduced internode distances, and floral hyperstyly.
(14) It was found that substances (I), (VII), (VIII) and (IX) showed negative geotropic effect of the same order of magnitude as that of the reference substance (alpha-naphthylphthalamic acid).
(15) The simultaneous appearance of geotropic and pre-emergence phytotoxic activity seems to be connected with the presence of an 8-quinoline residue on the amide nitrogen.
(16) Results of a neuromuscular screen indicated changes in gait, righting reflex, grip strength and performance of the negative geotropism test.
(17) The nyOB was present in 177 patients as follows: apogeotropic ny in 128 and geotropic in 49.
(18) Rapid rolling onto one side in recumbent position provokes a paroxysmal, purely horizontal and geotropic nystagmus which nearly always spontaneously inverts direction.
(19) N-Quinolinphthalamic acids and allied substances have been prepared and studied for negative geotropic effect and phytotoxic activity.
(20) Three patients with complete sudden unilateral hearing loss suffered from delayed vertigo and presented a strong geotropic positional nystagmus during the evolution of their disease.
Plant
Definition:
(n.) A vegetable; an organized living being, generally without feeling and voluntary motion, and having, when complete, a root, stem, and leaves, though consisting sometimes only of a single leafy expansion, or a series of cellules, or even a single cellule.
(n.) A bush, or young tree; a sapling; hence, a stick or staff.
(n.) The sole of the foot.
(n.) The whole machinery and apparatus employed in carrying on a trade or mechanical business; also, sometimes including real estate, and whatever represents investment of capital in the means of carrying on a business, but not including material worked upon or finished products; as, the plant of a foundry, a mill, or a railroad.
(n.) A plan; an artifice; a swindle; a trick.
(n.) An oyster which has been bedded, in distinction from one of natural growth.
(n.) A young oyster suitable for transplanting.
(n.) To put in the ground and cover, as seed for growth; as, to plant maize.
(n.) To set in the ground for growth, as a young tree, or a vegetable with roots.
(n.) To furnish, or fit out, with plants; as, to plant a garden, an orchard, or a forest.
(n.) To engender; to generate; to set the germ of.
(n.) To furnish with a fixed and organized population; to settle; to establish; as, to plant a colony.
(n.) To introduce and establish the principles or seeds of; as, to plant Christianity among the heathen.
(n.) To set firmly; to fix; to set and direct, or point; as, to plant cannon against a fort; to plant a standard in any place; to plant one's feet on solid ground; to plant one's fist in another's face.
(n.) To set up; to install; to instate.
(v. i.) To perform the act of planting.
Example Sentences:
(1) Behind her balcony, decorated with a flourishing pothos plant and a monarch butterfly chrysalis tied to a succulent with dental floss, sits the university’s power plant.
(2) A phytochemical investigation of an ethanolic extract of the whole plant of Echites hirsuta (Apocynaceae) resulted in the isolation and identification of the flavonoids naringenin, aromadendrin (dihydrokaempferol), and kaempferol; the coumarin fraxetin; the triterpene ursolic acid; and the sterol glycoside sitosteryl glucoside.
(3) Herbalists in Baja California Norte, Mexico, were interviewed to determine the ailments and diseases most frequently treated with 22 commonly used medicinal plants.
(4) This paper has considered the effects and potential application of PFCs, their emulsions and emulsion components for regulating growth and metabolic functions of microbial, animal and plant cells in culture.
(5) Labour MP Jamie Reed, whose Copeland constituency includes Sellafield, called on the government to lay out details of a potential plan to build a new Mox plant at the site.
(6) Plaque size, appearance, and number were influenced by diluent, incubation temperature after nutrient overlay, centrifugation of inoculated tissue cultures, and number of host cells planted initially in each flask.
(7) Urban hives boom could be 'bad for bees' What happened: Two professors from a University of Sussex laboratory are urging wannabe-urban beekeepers to consider planting more flowers instead of taking up the increasingly popular hobby.
(8) Equal numbers of handled and unhandled puparia were planted out at different densities (1, 2, 4 or 8 per linear metre) in fifty-one natural puparial sites in four major vegetation types.
(9) The lambs of the second group were given 1200-1500 g of concentrate pellets and 300 g chopped wheat straw, and those of the third group were given 800 and 1050 g each of concentrate pellets, and 540 g and 720 g of pellets of whole maize plant containing 40 per cent.
(10) In later years, the church built a business empire that included the Washington Times newspaper, the New Yorker Hotel in Manhattan, Bridgeport University in Connecticut, as well as a hotel and a car plant in North Korea.
(11) One example of this increased data generation is the emergence of genomic selection, which uses statistical modeling to predict how a plant will perform before field testing.
(12) The effects of lowering the temperature from 25 degrees C to 2-8 degrees C on carbohydrate metabolism by plant cells are considered.
(13) He fashioned alliances with France in the 1950s, and planted the seeds for Israel’s embryonic electronics and aircraft industries.
(14) While there has been almost no political reform during their terms of office, there have been several ambitious steps forward in terms of environmental policy: anti-desertification campaigns; tree planting; an environmental transparency law; adoption of carbon targets; eco-services compensation; eco accounting; caps on water; lower economic growth targets; the 12th Five-Year Plan; debate and increased monitoring of PM2.5 [fine particulate matter] and huge investments in eco-cities, "clean car" manufacturing, public transport, energy-saving devices and renewable technology.
(15) Results in this preliminary study demonstrate the need to evaluate the hazard of microbial aerosols generated by sewage treatment plants similar to the one studied.
(16) However, it was concluded that the biochemical models fail to give a complete description of photosynthesis in plants using the C4-dicarboxylic acid cycle.
(17) Subsequently the plant protein was partially purified from leaf extract.
(18) Ecological risk assessments are used by the US Environmental Protection Agency (US EPA) and other governmental agencies to assist in determining the probability and magnitude of deleterious effects of hazardous chemicals on plants and animals.
(19) A model is proposed for the study of plant breeding where the self-fertilization rate is of importance.
(20) The behavior and effects of atmospheric emissions in soils and plants are discussed.