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  1. ...under some circumstance is being expressed more than its basal level. For example, if you say "...quot;, that just means you substance A might have directly or indirectly turned on the regulatory elements...

    分類:科學 > 生物學 2005年10月30日

  2. ...posttranscriptional modification" to purify its information. Directly after being synthesized from a DNA...tail. Finally, many of these strands contain more than one gene. This polycistronic mRNA ...

    分類:科學 > 生物學 2006年03月05日

  3. ...sorry I don't know how to post pictures directly here). 2008-10-02 09:56:25 補充: 為何一股可連續複製...into the previous Okazaki fragment and, at the same time, more DNA had been unzipped. ...

    分類:科學 > 生物學 2008年10月14日

  4. ..., every organism is composed of one or more cells; (第一:所有的有機體都是由一個或多個細胞...就是細胞) Third, the continuity of life arises directly from the growth and division of single cells (第三:細胞...

    分類:科學 > 生物學 2007年01月26日

  5. ...with the patient s secretion , excrement or keeping in touch directly but infect, thing of clothes , bed that sleep, spend on...just return to normal . And caught a colding , more than 90% was caused by filterable virus. Not...

    分類:科學 > 生物學 2005年06月12日

  6. ...sleep through delta sleep to the awake state. If a person is awoken directly from REM sleep (e.g. by an alarm clock), they are much more likely to remember the dream from that REM cycle (although it is most likely...

    分類:科學 > 生物學 2005年08月22日

  7. ... with her full sisters and make more frequent alarm calls than Alice. 2009-11-16 10... with lower oxygen levels, might have led directly dinosaurs if had respiratory systems...

    分類:科學 > 生物學 2009年11月16日

  8. ..., in which the neuromasts are not directly exposed to the environment, but communicate with it via canal... instance, active swimming types tend to have more neuromasts in canals than on the surface, and...

    分類:科學 > 生物學 2005年05月18日