molecular clock 中文意思是什麼

molecular clock 解釋
分子鐘
  • molecular : adj. 分子的,由分子形成的,分子內[間]的。adv. -ly
  • clock : n 1 鐘；掛鐘，座鐘，上下班計時計。2 〈俚語〉記秒錶，卡馬表；〈美俚〉〈pl 〉駕駛儀表，速度表，里程...
  1. Such a molecular or atomic clock is now being developed and promises to be very accurate

    這種分子和原子鐘目前正在發展中，預期能有很高的準確度。
  2. Follow - up studies using the molecular clock produced estimates for this split that varied significantly, ranging from as old as one billion years ago to as young as just before the cambrian period

    后來使用分子時鐘來估算分支時間的研究結果，差異都很大，可能早至10億年前，晚至寒武紀即將開始時。
  3. Basis of rhythmic structure is circadian clock, which is located at suprachiasmatic nucleus ( scn ) and pineal gland in mammal. the molecular basis of which is composed of a series of genes and their corresponding protein products

    生物節律的生理基礎是生物鐘，哺乳動物的主鐘定位於丘腦視交叉上核（ suprachiasmaticnucleus ， scn ）和松果體；生物節律的分子基礎是一系列與生物鐘相關的基因及其蛋白產物。
  4. In particular, they used a molecular clock rate derived from invertebrates, which is slower than the one based on vertebrates

    特別的是，他們使用從無脊椎動物推衍出的分子時鐘，速度比脊椎動物的分子時鐘要快得多。
  5. Scientists can use this tendency to derive a kind of molecular clock from the nucleotide changes in pseudogenes and use it to study the overall dynamics and evolution of the genome

    科學家可以利用偽基因核苷酸的變化做為分子時鐘，並藉以研究整個基因組的變遷和演化。
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