At that time, it had only been demonstrated that RNA could cleave or ligate phosphodiester bonds.
当时只能证明RNA可以切割和连接磷酸二酯键.
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通过慢性随机刺激合并结扎/开放双侧颈总动脉制备抑郁模型,并测定其海马组织β-肾上腺素受体和大脑皮层5羟色胺受体密度,研究长期给药对神经递质受体的影响。
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Methods: To ligate left ventricular branch ( LVB) to make acute myocardial ischemia model of rabbit.
结扎兔冠状动脉左室支(LVB),制备急性心肌缺血模型。
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