问题
单项选择题
下列技术中没有应用DNA分子杂交原理的是（）
A.探针检测转基因生物染色体的DNA上是否插入目的基因
B.用DNA分子探针诊断疾病
C.快速灵敏地检测饮用水中病毒的含量
D.目的基因与运载体结合形成重组DNA分子
答案
参考答案：D
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下列技术中没有应用DNA分子杂交原理的是（）
A.探针检测转基因生物染色体的DNA上是否插入目的基因
B.用DNA分子探针诊断疾病
C.快速灵敏地检测饮用水中病毒的含量
D.目的基因与运载体结合形成重组DNA分子
参考答案：D
Jerry was always in a good mood. someone was having a bad day, Jerry would tell him how to look on the positive(积极的)side of the situation. One day I asked him, “How can you be positive all the time?” Jerry replied, “Each morning, I say to , ‘Jerry, you have two choices today. You can choose to be in a good mood or in a bad mood.’ I choose to be in a good mood.” Several years later, I heard Jerry was hurt three robbers(强盗). Luckily, Jerry was sent to the quickly. I asked him what his thought was when the robbery took place. Jerry replied, “As I on the floor, I remembered I could choose to live or to die. I choose to live.” “Weren’t you I asked. “Yes, I was really afraid when I saw the expressions on the of the doctors.” “What did you do?” I asked. “When a nurse asked if I was allergic(过敏的)to . I shouted, ‘Bullets(子弹)!’ Over their laughter, I told them, ” Thanks to the super medical of his doctors, Jerry lived, but also because of his amazing attitude, Attitude, after all, is everything.
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