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Abbreviation for weight per volume. The relative proportions of solid and liquid in a solution.
- Browse Related Terms: amniotic fluid, autoclave, Biofuel, biomass concentration, encapsulating agents, exude, filtration, fog, gas transfer, imbibition, infiltrate, liquid membrane, liquid nitrogen, micro-injection, nucleoplasm, pinocytosis, pipette, Supernatant, volatilization, w/v, wetting agent
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See: chromosome walking; primer walking.
- Browse Related Terms: balanced lethal system, chromomeres, chromonema, chromosome banding, chromosome mutation, compound chromosome, endomitosis, endoreduplication, fluorescence in situ hybridization, gene insertion, gene replacement, genome, hybrid dysgenesis, Independent assortment, jumping library, karyogram, lampbrush chromosome, locus, Locus (plural = loci), meiotic drive, paternal, polymorphism, Restriction fragment length polymorphism (RFLP), tetrasomic, walking, X-linked, zoo FISH
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Pressure that a cell wall exerts against the turgor of the cell contents. Wall pressure is equal and opposite to the turgor potential.
- Browse Related Terms: ampicillin, Ampicillin (beta-lactamase), anticlinal, callus, Gram staining, lysozyme, macerate, microplast, middle lamella, periclinal, plasmodesma, primary cell wall, root hairs, septum, Shear, sieve plate, spheroplast, wall pressure
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The loss of the slower growing micro-organism when two organisms are being grown together.
- Browse Related Terms: biodegrade, biodesulphurization, biofilms, bioleaching, biorecovery, biotransformation, culture, desulphurization, fermentation substrates, polyhydroxybutyrate, substrate, wash-out
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The pressure gradient that induces the flow of water, particularly with reference to plant water uptake from the soil, comprising the net effects of suction, solutes and matric forces.
- Browse Related Terms: Abiotic stress, co-evolution, glycoalkaloids, halophyte, nitrification, Nitrogen fixation, salt tolerance, soil amelioration, soil-less culture, thermophile, water potential, xerophyte
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See: vitrified.
- Browse Related Terms: alpha globulin, autocatalytic reaction, biological ageing, Cofactor, deoxycytidine, diplochromosome, DMSO, ER, Estrogen, false fruit, filial generation, gobar, haplozygous, heat therapy, hemolymph, homeodomain, idiogram, immunochemical control, in situ plaque hybridization, lac repressor-lac promoter system, mariculture, Michaelis constant, molecular pharming, nullisomic, photoautotroph, pleiotropic, poly-(A) tail, procaryotic, septate, T0, T1 and T2 cell, ultrasonication, viviparous, water soaked
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Occurs when plants are unable to absorb enough water to replace that lost by transpiration. Short-term water stress leads to turgor loss (wilting). Prolonged stress leads to cessation of growth, and eventually plant death.
- Browse Related Terms: abscisic acid, catalase, permanent wilting point, root, vessel, water stress, Wilting point
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Water-insoluble esters of long-chain acids with long-chain alcohols. Waxes form protective waterproof layers on leaves, stems, fruits, animal fur and integuments of insects.
- Browse Related Terms: amylopectin, cuticle, intercalary growth, internode, mycelium, offshoot, pedicel, peduncle, spikelet, wax
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A plant growing where it is not wanted. Generally used to describe plants which colonize readily, and can compete for resources with a planted crop.
An undesirable plant.
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The ability of a plant to colonize a disturbed habitat and compete with cultivated species.
Unwanted effects of a plant.
- Browse Related Terms: Annual, biennial, cultigen, glyphosate, herbicide, herbicide resistance, invasiveness, PBR, photosynthetic photon flux, plant variety rights, PVR, Weediness
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A technique whereby a complex mixture of size-separated proteins is fixed to a solid support, and then probed with a labelled antibody. Useful, for example, for the measurement of levels of production of a specific protein in a particular tissue or at particular developmental stage.
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See: fresh weight.
- Browse Related Terms: bound water, cryoprotectant, de-ionized water, demineralize, dry weight, free water, freeze-dry, fresh weight, lyophilize, polyacrylamide gel, wet weight
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A substance (usually a detergent) that improves the contact of a liquid to a solid surface by reducing its surface tension.
- Browse Related Terms: amniotic fluid, autoclave, Biofuel, biomass concentration, encapsulating agents, exude, filtration, fog, gas transfer, imbibition, infiltrate, liquid membrane, liquid nitrogen, micro-injection, nucleoplasm, pinocytosis, pipette, Supernatant, volatilization, w/v, wetting agent
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An organism as found in nature; the organism before it is genetically engineered.
The most frequent allele or genotype found in nature, or a specified organism against which mutant s are defined.
- Browse Related Terms: albino, Biological boundaries, chelate, conjugation, genetic equilibrium, genetic erosion, genetic pollution, genus, isogenic stock, isolating mechanism, Population, superbug, Wild type
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Drooping of stems and foliage due to loss of cell turgor. May be caused by water stress or by disease.
- Browse Related Terms: anthocyanin, cell sap, Evapotranspiration, hypertonic, hypotonic, plasmolysis, pressure potential, SAP, tonoplast, turgid, turgor potential, turgor pressure, wilt
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The moisture content of soil at which plants start to wilt, but not to the extent that they fail to recover when placed in a humid atmosphere. See: permanent wilting point.
- Browse Related Terms: abscisic acid, catalase, permanent wilting point, root, vessel, water stress, Wilting point
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An explanation of how one tRNA may recognize more than one codon. The first two bases of the mRNA codon and anticodon pair properly, but the third base in the anticodon has some flexibility that permits it to pair with either the expected base or an alternative.
- Browse Related Terms: accessory bud, acropetal, base substitution, basipetal, bio-informatics, buoyant density, equilibrium density gradient centrifugation, in silico, insertion mutation, Insertion mutations, mismatch repair, Parafilmä, proofreading, Risk Assessment, velocity density gradient centrifugation, wobble hypothesis