Scientists had previously thought the circadian clock was driven by gene activity, but both the algae and the red blood cells kept time without it.
科学家们曾认为昼夜节律的调节是受基因活动支配，但海藻和红细胞中都不含DNA。
Scientists had thought that the circadian clock was driven by gene activity, but both the algae and the red blood cells kept time without it.
科学家认为生物钟是受基因活动影响，但是藻类和红细胞没有基因也同样按照生物钟运行。
Why are some people more agreeable than others? It may be because they possess a certain variant of the CLOCK gene. This gene is critical to circadian rhythms.
为什么一些人较之其他人更显得和蔼可亲呢？原因可能在于，他们身上持有生理节奏基因的特定变体。这种基因因其昼夜节律而显得至为重要。
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