471
Codon usage in C . reinhardtii mitochondria is highly biased , with eight codons entirely absent from all protein - coding genes ; however , even though codon usage is restricted , it appears that C . reinhardtii mtDNA cannot encode the minimum number of tRNAs needed to support mitochondrial protein synthesis .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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