3144
Urease activity , judged as the amount of ammonia production from urea , could be measured at 25 ng per tube ( S / N = 1 . 5 ) with Jack bean meal urease .
 GENE: Urease; GENE: Jack bean meal urease
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: Urease; GENE: Jack bean meal urease