obligate

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obligate

verb agree to perform, agree to be burrened with, assume a duty, assume a moral responsibility for, assume responsibility for, assume the performance of, become legally responsible for, become obliged, charged with, committed to accomplish, compel, contracted, covenanted, indebted to, promise to do
Associated concepts: contractual duties, implied obligations
See also: assign, coerce, compel, constrain, detail, encumber, entail, exact, force, guarantee, necessitate, press, require
References in periodicals archive ?
In echinoderms with obligately planktotrophic larvae, the ectoderm/endoderm boundary is located below the third cleavage plane at the equator of the embryo (Fig.
Ferric iron can be used as a terminal electron acceptor during the oxidation of organic C by several obligately anaerobic bacteria, such as Geobacter metallireducens (Ghiorse, 1994).
Korea Research Institute of Bioscience and Biotechnology (Taejon-si, South Korea) has patented a novel obligately symbiotic thermophile Symbiobacterium toebii SC-1(Accession NO: KCTC 0685BP), and a thermostable L-tyrosine phenol-lyase and L-tryptophan indole-lyase produced by Symbiobacterium toebii SC-1.
Normally, ground-foraging ants collect insects from the leaf litter and ants are not obligately dependent on myrmecochory, but adding the food resource of elaiosomes can increase a nest's production of gynes (virgin queens) (Morales and Heithaus 1998).
BYDV is a phloem-restricted Luteovirus obligately vectored by several species of aphids (Kolb et al.
but is more obligately restricted to calcareous substrates, has a densely white pruinose upper cortex, and lacks zeorin.
Nitrifying bacteria, which are obligately aerobic, are also an important source of [N.
As a control for this experiment, we employed an obligately parthenogenetic lineage of D.
1994) and a group of ants obligately associated with these host trees.
The lizard genus Cnemidophorus includes a number of all-female, obligately parthenogenetic species (Wright 1993).
Rocky Mountain spotted fever (RMSF) is caused by Rickettsia rickettsii, a small gram-negative bacillus that is an obligately intracellular bacterium.
By that point, he notes, conditions should have turned ideal "for the growth of the obligately anaerobic sulfate-reducing bacteria, with all the attendant problems of sulfide production and corrosion.