Once synthesized, the histones move into the cell nucleus, where a section of DNA wraps around them to form a structure that resembles beads, or knots, on a string.

一旦合成，组蛋白就会进入细胞核，细胞核内的 DNA 片段会将组蛋白包裹起来，形成一种类似串珠或绳结的结构。

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You use the extract transform to extract parts of a string and assign those parts to another string, or to any other primitive type, with the caveat we mentioned in the move transform section.

您使用提取转换来提取该字符串的各个部分，并将那些部分分配给另一个字符串，或分配给任何其他基元类型，并注意我们在移动转换部分中提到的告诫。

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You then move the actual sending of the mail outside this loop, instead building a string of text to add to the body of the message.

随后我们将邮件的实际发送移动到循环体外面，而在循环体中构建一个要添加到消息体的文本字符串。

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Despite being almost totally outplayed, Wigan did occasionally string a move together that ensured the United defence was not completely redundant, and Charles N'Zogbia missed a great chance to reduce the deficit when Won-Hee Cho's pass set him free in the box only for the winger to drift his shot wide, while Hugo Rodallega headed straight at Tomasz Kuszczak from six yards out.

BBC: Manchester United 5-0 Wigan

Harlequins managed to string together one potent attacking move but centre David Howell spilled the ball over the line.

BBC: Leeds 48-0 Harlequins

But the move follows a string of incidents where either security in Passport - or the Hotmail free e-mail system to which it is tightly bound - has proved to be lax.

BBC: New flaw puts Passport offline