9080
To delineate the universe of endogenous circular RNAs , we performed high - throughput sequencing ( RNA - seq ) of libraries prepared from ribosome - depleted RNA with or without digestion with the RNA exonuclease , RNase R .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None