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  3. What is discovered by scientists at Brown University?

What is discovered by scientists at Brown University?

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问题 What is discovered by scientists at Brown University?
  
Scientists at Brown University in the Northeastern United States [27] discover that bacteria from yogurt can be made into a substance that helps fight HIV. Led by Professor Bharat Ramratnam, they modify the bacteria to cream cyanovirin—[28] a protein that protects the body from infection by microorganisms such as bacteria, viruses, and fungi. The hope is to use the bio-engineered yogurt bacteria as the active ingredient in a foam, cream or suppository that can be applied before sex to prevent HIV transmission.
选项 A、It is an active ingredient in a foam, cream or suppository.
B、It is an active ingredient applied before sex to prevent HIV transmission.
C、It is a protein that protects the body from infection by microorganisms.
D、It is a drag used to prevent HIV transmission.
答案C
解析 新闻提到，cyanovirin是一种能保护身体免受微生物感染的蛋白质。故答案为C。
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