下列有关酶的叙述不正确的是（ ）。
正确答案及解析
正确答案
解析
限制酶主要来自于原核生物，DNA连接酶中E·coliDNA连接酶来源于大肠杆菌，T4DNA连接酶来源于T4噬菌体，故A错误。限制酶能识别特定的脱氧核苷酸序列，DNA连接酶不能，故B错误。顶体酶能水解卵透明带糖蛋白，使精子穿过卵丘细胞再穿过透明带，透明带反应是卵子细胞质内的皮质颗粒释放溶酶体酶引起的，故C错误。Taq酶即热稳定性DNA聚合酶，它只能连接单个脱氧核苷酸之间的磷酸二酯键，故D正确。
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