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The previously described enhanced translation of spinach L12 mRNA from its two tandem AUG codons and the two functional rpl12 genes in Arabidopsis probably provide two mechanisms for generating the four copies of L12 / chloroplast ribosome , qualitatively different from those attempted in eubacteria .
 GENE: L12 mRNA; GENE: rpl12 genes; GENE: L12 / chloroplast ribosome
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: L12 mRNA; GENE: rpl12 genes; GENE: L12 / chloroplast ribosome