1. They also contain mitochondria, which are organelles involved in respiration. 2. Plant cells also have an additional organelle called chloroplast for photosynthesis. 3. Individual organelles are usually separately enclosed within their own lipid bilayers. 4. Chromerids, apicomplexans, and peridinin dinoflagellates have retained this organelle . 5. Like other prokaryotes, cyanobacteria have no membrane-sheathed organelles . 6. In cell biology, retrograde signaling occurs between different subcellular organelles . 7. Rhabdomeric opsins are attached to light-gathering organelles called rhabdomeres. 8. Examples include membranes, organelles , proteins, and nucleic acids. 9. Melanin in synthesized in melanosomes which are organelles produced in melanocytes. 10. Unfortunately that might mean reducing some of the organelle function material.