植物生理学其目的在于认识植物的物质代谢、能量转化和生长发育等的规律与机理、调节与控制以及植物体内外环境条件对其生命活动的影响。包括光合作用、植物代谢、植物呼吸、植物水分生理、植物矿质营养、植物体内运输、生长与发育、抗逆性和植物运动等研究内容。
测定植物组织的成分含量是植物生理学研究中不可或缺的一部分。
植物的基本组成物质如蛋白质、糖、脂肪和核酸以及它们的代谢都与其他生物(动物、微生物)大同小异。但是,植物本身又有一些独特的地方,如:
①能利用太阳能,用来自空气中的 CO2和土壤中的水及矿物质合成有机物,因而是现代地球上几乎一切有机物的原初生产者。
②植物扎根在土中营固定式生活,趋利避害的余地很小,必须能适应当地环境条件并演化出对不良环境的耐性与抗性。
③植物的生长没有定限,虽然部分组织或细胞死亡,仍可以再生或更新,不断地生长。
④植物的体细胞具全能性,在适宜的条件下,体细胞经过生长和分化,就可成为一棵完整的植株。因此植物生理学在实践上、理论上都具有重要的意义。
实验步骤
需了解具体步骤,请致电厂家
实验结果
研磨后的样品色泽均匀,可用于在糖类,酶活,有机酸等实验中的测定。稳定的样品研磨效果可保证更准确的实验数据。
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