外切酶
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外切酶，或核酸外切酶（英语：exonucleases）可以是單獨存在的酶，或是大型酶複合物的一部分。此類酵素能將聚核苷酸鏈分解成核苷酸。作用方式是將3'或5'端上的磷酸酯鍵水解。
参考文献
外部連結
MeSH（醫學主題詞）上面的Exonucleases（美式英语）
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The Dalles, Oregon
The Dalles, Oregon From Wikipedia, the free encyclopedia Jump to navigation Jump to search This article is about the city in Oregon. For the nearby geological formation, see Celilo Falls. For other uses, see Dalles. Not to be confused with the town of Dallas, Oregon. City in Wasco County The Dalles City The Dalles and the Columbia River in November 2008 Flag Seal Motto(s): "Cognito timor Vincit" (Latin), "Knowledge Conquers Fear" (English) Location in Oregon Coordinates: 45°36′4″N 121°10′58″W / 45.60111°N 121.18278°W / 45.60111; -121.18278 Coordinates: 45°36′4″N 121°10′58″W / 45.60111°N 121.18278°W / 45.60111; -121.18278 County Wasco County Incorporated 1857 Government • Mayor Stephen Elliott Lawrence (D) [1] [2] Area [3] • Total 6.61 sq mi (17.12 km 2 ) • Land 6.35 sq mi (16.45 km 2 ) • Water 0.26 sq mi (0.67 km 2 ) Elevation 109 ft (33 m) Population (2010) [4] • Total 13,620 • Estimate (2013) [5]
