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不能维持代谢需要，使细胞萎缩或死亡。
交联学说 제주출장안마 年最早提出。此 学说认为， 제주출장안마 ，促使细胞丧失整体性。 细胞与组织中存在着大量发生交联反应的成份，因而容易发生多 种交联反应。交联反应是所有化学反应中的一种，在体内的生物
化学反应过程中，只要发生了极小量的交联干拢，就可以对机体
产生严重的损伤作用。生物体内大分子中发生异常的或过多的交
联，影响细胞功能导致衰老。
11 遗传学说 衰老的遗传学说，就是指寿命的长短有代代 相传的现象。统计资料也表明，人的寿天有遗传因素的作用。科 学家推测，一个人的寿限，有一种预先计划好的信号，从亲代的 生殖细胞精子与卵子，带给子代。 제주출장안마 “寿命基因”或“衰 老基四”，它存在于细胞核染色体 DNA 小段中。如果这种基因充 足，细胞就不易衰老。人体细胞一般分裂 50 次左右即不再分裂，
似乎这种基因在起作用。
附2： 제주출장마사지 。多少年来，世界上许多科学家正在从事多 种研究。 제주출장안마 ，取得预防衰老的
方法和措施。下面简单概述一下这方面的研究情况。
Read More: https://anotepad.com/notes/3q32m77g
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