See abscisic acid.参阅abscisic acid。...[继续阅读]

    See sarcomere.参阅sarcomere。...[继续阅读]

    transport protein ATP-binding cas-sette transport protein;any of a large familyof ATP-powered TRANSPORT PROTEINSthat move substances across cell membranes.Found in a wide variety of organisms,theyhave a common basic structure consisting oftwo transmembran...[继续阅读]

    The development of living fromnonliving matter,as in the origin of life.在生命的起源,从非生命物质演化出生命的过程。...[继续阅读]

    A plant hormone thatis involved in seed development and in theclosure of leaf pores (stomata) in response todrought stress. Abscisic acid is thought to in-duce the formation of storage proteins duringthe later stages of seed maturation,and mightalso help ...[继续阅读]

    The shedding of part of a plant,usually a leaf,fruit,or unfertilized flower,aspart of the plants usual life cycle. As the leafor other organ ages,a distinct abscission zonedevelops at the base of the organ. This zoneconsists of relatively smaller cells,wh...[继续阅读]

    spectrum A graph showing theabsorbance by a substance of radiation at dif-ferent wavelengths,usually of ultraviolet,visible,or infrared radiation.It is obtainedusing a SPECTROPHOTOMETER,and cangive information about the identity or quantityof a substance....[继续阅读]

    Any ofseveral specialized epidermal cells found ad-jacent to each pair of GUARD CELLS in theleaves and other parts of plants. Accessorycells may help in opening and closing the ac-companying pore (stoma).任何特化的表皮细胞,与植物叶或其他部分的副卫细胞相邻。副卫细胞可以帮...[继续阅读]

    See photosynthetic pig-ments.参阅photosynthetic pig-ments。...[继续阅读]

    See adaptation.(作用) 参阅adaptation。...[继续阅读]