Respuesta de plántulas de Cucurbita pepo var. Scallop a la fertilización fosfórica

De Novo Purine Biosynthesis in Intact Cells of Cucurbita pepo.

The capacity of intact cells of roots excised from summer squash plants (Cucurbita pepo L. cv Early Prolific Straightneck) to synthesize purine nucleotides de novo was investigated. Evidence that purine nucleotides are synthesized de novo included: (a) demonstration of the incorporation of [1-(14)C]glycine, [2-(14)C]glycine, NaH(14)CO(3), and H(14)COONa into total adenine nucleotides; (b) obser...

Hacia el Uso de la Información Sintáctica y Semántica en los Sistema de Búsqueda de Respuesta

Current question answering systems typically combine methods based in information retrieval and information extraction. Such methods leverage the speed of the resulting algorithms and the presence of information redundancy, but few systems use methods based on linguistic information beyond the word level. In this paper we present a study of the impact of the syntactic and semantic information i...

Description de Hyalomma dromedarii (Koch 1844) Morphologie de la larve et de la nymphe

letude de la typologie narrative de mort a credit de louis ferdinand celine

چکیده ندارد.

Etude sur la digestion pancratique de la caseine pour la production de la toxine tetanique