7021
The accuracy of DNA synthesis depends on the accuracy of the polymerase as well as the quality and concentration ( s ) of the available 5 ' - deoxynucleoside - triphosphate DNA precursors ( dNTPs ) .
 Chemical: 5 ' - deoxynucleoside - triphosphate; Chemical: dNTPs
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: 5 ' - deoxynucleoside - triphosphate; Chemical: dNTPs