Double-helix double up

被引：0

作者：

Choi, Charles Q.

机构：

来源：

SCIENTIFIC AMERICAN | 2008年 / 298卷 / 04期

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D O I：

暂无

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Without any molecules to guide them, double helices of DNA with identical sequences can recognize one another from a distance and can even gather together. The DNA base pairs are complementary like right- and left-handed gloves, adenine bases with thymine, cytosine with guanine. Scientists at Imperial College London and the U.S. National Institute of Child Health and Human Development found that double-stranded DNA with the same sequences were about twice as likely to come together as DNA with different sequences, from a distance of up to three nanometers.

引用

页码：30 / 30

页数：1

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