6751
Over the last decades there has been a change in biomedical research with the search for single genes , transcripts , proteins , or metabolites being substituted by the coverage of the entire genome , transcriptome , proteome , and metabolome with the " omics " approaches .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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