nuclear endosperm

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• Endosperm — is the tissue produced in the seeds of most flowering plants around the time of fertilization. It surrounds the embryo and provides nutrition in the form of starch, though it can also contain oils and protein. This makes endosperm an important… …   Wikipedia

• angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction       any member of the more than 300,000 species of flowering plants (division Anthophyta) …   Universalium

• Alismatales — ▪ plant order Introduction   arrowhead and pondweed order of flowering plants, belonging to the monocotyledon (monocot) group, whose species have a single seed leaf. Most of the some 4,500 species are aquatic and grow submersed or partially… …   Universalium

• Magnoliidae — ▪ plant subclass Introduction       subclass of woody or herbaceous flowering plants belonging to the class Magnoliopsida.       Members of the Magnoliidae are dicotyledonous plants that retain some primitive anatomic and morphological… …   Universalium

• Asparagales — ▪ plant order Introduction  the Asparagus or orchid order of monocotyledonous (monocotyledon) flowering plants, containing 16–24 families, 1,122 genera, and more than 26,000 species.  Asparagales contains many garden plants and several types of… …   Universalium

• Myrtales — ▪ plant order Introduction       the myrtle order of flowering plants, composed of 14 families, 380 genera, and about 11,000 species distributed throughout the tropics and warmer regions of the world. The majority of these species belong to just… …   Universalium

• plant development — Introduction       a multiphasic process in which two distinct forms succeed each other in alternating generations. One form, created by the union of sexual cells (gametes (gamete)), contains two sets of similar chromosomes (diploid). At sexual… …   Universalium

• reproductive system, plant — Introduction       any of the systems, sexual or asexual, by which plants reproduce. In plants, as in animals, the end result of reproduction is the continuation of a given species, and the ability to reproduce is, therefore, rather conservative …   Universalium

• plant — plantable, adj. plantless, adj. plantlike, adj. /plant, plahnt/, n. 1. any member of the kingdom Plantae, comprising multicellular organisms that typically produce their own food from inorganic matter by the process of photosynthesis and that… …   Universalium

• Sincitio — Micrografía de músculo esquelético. En la periferia de cada célula cortada t …   Wikipedia Español

• Golden rice — is a variety of rice ( Oryza sativa ) produced through genetic engineering to biosynthesize beta carotene, a precursor of pro vitamin A in the edible parts of rice. The scientific details of the rice were first published in Science in 2000.Ye et… …   Wikipedia