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molecular palaeobiology
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molecular palaeobiology
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理学
古生物学
释
molecular palaeobiology
分子古生物学
利用现代分析测试技术,通过研究古蛋白质分子及其分解产物,确定古氨基酸的排列顺序,进而从古代生物微观角度和分子水平上探索生命起源和生物演化、环境和气候变迁以及生物沉积和生物成矿作用等的学科。古生物学的一个分支,是古生物学、生物学、分子系统学、地质学、地球化学等多学科交叉融合的一个新兴领域。分子钟的研究也是分子古生物学的重要研究内容,另外,对氨基酸外消旋作用的测定还可用于绝对年龄的测定,是地质年代学的一个重要补充和佐证。
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