Beyond spintronics, the discovery that DNA has a strong effect on electron spin suggests that spin interactions could also play a role in some biological processes.

除自旋电子学外，DNA对电子自旋具有很强的影响这一发现也表明，自旋相互作用也可能在一些生物过程中发挥作用。

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When we talk about people being exposed to radiation, we use units called rems or sieverts, which measure the biological effect for whole-body radiation.

当我们说到关于被辐射接触到的人们，我们用雷姆或西韦特来表示辐射吸收剂量的单位，用来衡量全身的辐射生物学效应。

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Usually, though, the mirror image of biological molecules are weaker or have no effect. They can't shake hands with our proteins.

通常说来，生物分子的镜像分子药性较弱或根本就没有治疗效果，它们无法与人体蛋白质结合，这就是镜像生命的安全特性之一。

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The book explored the effect of biological differences between men and women on their personal relationships.

VOA: special.2009.03.24

Others say it is irrelevant that the biological effect of the plant pills is not understood.

ECONOMIST: Dietary supplements: Kelp power | The

Third, it would need to have a biological effect when ingested.

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"We've shown this is something that has a biological effect, " says Mark Tarnopolsky, a co-author of the study and a professor of pediatrics and medicine at McMaster University Medical Center in Hamilton, Ontario.

WSJ: Don't Call It Pampering: Massage Wants to Be Medicine