He and other biologists studying a wide variety of organisms have found that these particular RNA's direct, in large part, the synthesis of histones, a class of proteins that bind to DNA.

他和其他研究多种生物的生物学家发现，这些特殊的 RNA 在很大程度上直接影响组蛋白的合成，组蛋白是一类与 DNA 结合的蛋白质。

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In many countries, part-time studying is not exceptional: on average across OECD countries, part-time students in 2016 represented 20 percent of enrolment in tertiary education.

在许多国家，半工读并不罕见。2016年经合组织（OECD）成员国半工读学生人数平均占高等教育入学人数的20%。

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One writer says part of the joy in studying her is what we cannot know.

VOA: special.2010.07.18

What do you think is the most difficult part about studying English in the UK?

你觉得在英国，学习英语最难的部分是什么？

巴西的英语老师 - SpeakingMax英语口语达人

He gained an economics degree in his 50s, studying part-time.

ECONOMIST: Alec Campbell | The

Now, one of the things that you discover in studying history and being a part of politics is just because something makes sense doesn't mean it happens.

WHITEHOUSE: President Obama and President Mubarak Speak to the Press

The city won support from others in part by carefully studying past efforts by Japan to market itself to international judges, said Ting, who holds a PhD in sociology from the University of Michigan.

FORBES: Once-Improbable Sports Success Fuels Even Bigger Dreams In Taipei