* General: "The development of CRISPR technology has raised complex bioethical questions about gene editing in humans."
* Specific issue: "The bioethical implications of artificial intelligence in healthcare are being debated by experts."
* Focus on decision-making: "Doctors face bioethical dilemmas when making decisions about end-of-life care."
* Formal context: "The bioethics committee reviewed the proposed research protocol to ensure it adhered to ethical guidelines."
* Informal context: "We had a lively discussion about the bioethics of genetic engineering in our science class."