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RNA-po的作用特点为
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基因表达是指
DNA新链合成方向是
RNA转录合成方向是
Learn the words in the box and complete the following sentences with them. Change the form where necessary.1. It's a natural tendency that one learns to __________ before he learns walks.2. It's an Australian company whose logo __________ a red kangaroo.3. The professor paused to consult his notes, and then ________ to ask us some more questions.4. A truck went by too fast and ________ missed hitting our car.5. Mother __________ a smile at her child when she saw him trying to put on his shoes by himself.6. Their team failed to __________ for the World Cup even though they had trained like crazy.7. In order to win in the school track and field meet, he __________ himself to practice running every day.8. After being questioned for several hours, the suspect finally __________ that he had stolen the diamond.9. After a serious argument, I compromised and a bond of friendship was __________ between us.10. A medal was __________ to the veteran for his long and faithful service in the army.
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