10494
Three overlapping PCR products , covering the complete coding sequence of mRNA , were generated from lymphoblastoid cell lines , translated into 35S-methionine labelled protein , and analysed by SDS-PAGE .
 RNA: mRNA; cell line: lymphoblastoid cell lines; protein: 35S-methionine labelled protein; DNA: PCR products
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: mRNA, lymphoblastoid cell lines, 35S-methionine labelled protein, PCR products 
Answer:
 RNA: mRNA; cell line: lymphoblastoid cell lines; protein: 35S-methionine labelled protein; DNA: PCR products