User contributions for 160086957
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19 October 2017
- 18:2918:29, 19 October 2017 diff hist +109 N Thomas Cech Created page with "Won the 1989 Nobel Prize for Chemistry for his research into and discovery that RNA has catalytic properties."
4 December 2016
- 20:0920:09, 4 December 2016 diff hist +293 Nm Spectrophotometer Created page with " A spectrophotometer is defined as 'an apparatus for measuring the intensity of light in a part of the spectrum, especially as transmitted or emitted by particular substance..."