释义 |
- n.单手性:指一个人在使用手时,一只手比另一只手更灵活、更有力量,通常是由于习惯或天生的原因。
- 1
But the enzymes that govern biochemistry are such precise tools that, often, only one-handedness is acceptable. 可是,在生物化学界占支配地位的酶,恰恰是这样一种往往只能接受某一手性的精密工具。 - 2
If amino acids are found, it would be especially interesting if they show a prevalence of one type of handedness, either left, like amino acids on Earth, or right. 如果发现了氨基酸,并且它们普遍表现出同一种偏向性——要么像地球上的氨基酸一样是左旋的,要么是右旋的,那将会格外有趣。 - 3
Nor does it explain why, in a species where one parent determines handedness, a brood is not exclusively right or left-handed when the offspring would have the same genetic predisposition. 这也不能解释为什么在一个由父母一方决定利手的物种中,当后代具有相同的遗传倾向时,他们并非完全是右撇子或左撇子。
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