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Two immediate problems must be solved to model systems with several dozens of genetic components : the systematic determination of kinetic constants and the efficient computation of thousands of chemical stochastic equations ( Kuwahara et al . , 2006 ; Sanchez & Kondev , 2008 ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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