近年來,由于美國名牌大學的醫學、生物醫學、生物基因等學科成為申請熱門專業;因此,高中生如果在USABO中取得了優異成績,那么便會擁有申請這些專業時的重要優勢,從而順利進入美國常春藤院校。同時,在學術活動中獲獎的學生還將有機會受邀參加國際頂級科學類活動的邀請。美國生物奧賽(usabo)2022報名通道及真題已開放!
報名截止時間:
2022年3月30日
【掃碼聯系老師領取報名表】

比賽形式:
線上(需配備帶攝像頭的電腦和手機移動設備)線下(各城市及就近考點)個人賽,筆試試卷,沒有實驗
部分真題及答案:
1.Suppose radioactive thymine was added to an actively dividing culture of E. coli bacteria. What would happen if a cell replicated once in the presence of this radioactive base??
A. Only one daughter cell would have radioactive DNA
B. Neither of the two daughter cells would be radioactive
C. All four DNA bases would be radioactive
D. Radioactive thymine would pair with nonradioactive guanine
E. DNA in both daughter cells would be radioactive
2.If radioactive sulfur (35S) is used in the culture medium of bacteria that harbor bacteriophage viruses, it will later appear in:?
A. Bacterial RNA
B. Bacterial cell wallsBacterial cell walls
C. Bacterial cell walls
D. Viral RNA
E. Viral coats


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