In contrast, photosynthetic plants contain mitochondria and chloroplasts, each of which contains plastid genomes. The ancestors of plastids diversified into a variety of plastid types, including chromoplasts. It kills malaria by targeting a plastid organelle, the apicoplast. Acetate in the cytosol is unavailable for lipid biosynthesis in the plastid. The editing sites are found primarily upstream of mitochondrial or plastid RNAs. Here, eukaryotes engulfed a eukaryotic algae that developed into a "second-generation" plastid. The parasitic dinoflagellate "Hematodinium" however lacks a plastid entirely. This supports the endosymbiotic theory and indicates an evolution of plastid division in land plants. This supports the endosymbiotic theory of the evolution of plastid division in land plants. This proposal was made on the basis of the analysis of the plastid genomes. Also, the family is notorious for incongruence between phylogenies based on plastid and nuclear DNA. However, a majority of these heterotrophs continue to process a non-photosynthetic plastid. Many members contain a red-algal derived plastid. The ancestral alveolate probably possessed a plastid. Each nucleoid particle may contain more than 10 copies of the plastid DNA.