3519
Heteroduplex analysis of two of these clones , which grew on DB1257 but not on LE392 , revealed stem - loop structures in the inserts , indicative of inverted , repeated DNA elements .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities:  
Answer:
 None