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Fav十万个为什么
为什么犀牛角被割后还能再生?
简单的摘要:犀牛角被割后还能再生,是因为其角主要由角蛋白组成、角蛋白具有持续生长的特性,以及角蛋白的生长速度受年龄和性别影响。
1、角主要由角蛋白组成。犀牛角的核心成分是角蛋白,与人类指甲和头发的成分相同,这种物质具有再生能力,因此即使被割掉,也能重新生长。
2、角蛋白具有持续生长的特性。角蛋白是一种活性的生物组织,可以不断从角基部生长,类似于头发的生长机制,使得犀牛角在被割除后能够再生。
3、角蛋白的生长速度受年龄和性别影响。研究表明,年轻犀牛的角再生速度较快,约为每年9厘米,而成年犀牛的再生速度约为每年6厘米;此外,雄性犀牛的再生速度通常比雌性更快。
总结:犀牛角被割后还能再生,是因为其角主要由角蛋白组成、角蛋白具有持续生长的特性,以及角蛋白的生长速度受年龄和性别影响。
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