Fig. 4From: Transcriptional response to sulfide in the Echiuran Worm Urechis unicinctus by digital gene expression analysisHistogram presentation of the Gene Ontology classification. The results are summarized in the following three main categories: biological process, cellular component and molecular function. The right y-axis indicates the number of genes in a category. The left y-axis indicates the percentage of a specific category of genes in that main categoryBack to article page