Which of these is an ethical issue associated with stem cell therapy? A) Implantation of stem cells into patients is unethical.
B) Stem cell therapy involves shutting down the immune system. C) Stem cells are extracted from patients without their consent. D) Embryos are destroyed when stem cells are obtained from them.
Stem cell therapy has been one of the hotly-debated topics most especially to its ethical value. One of the issues associated with the therapy is that the implantation of stem cells into patients is considered as "unethical." Another issue is that the embryo gets destroyed when stem cells are derived from it.
I've never heard of archaebacteria, I've always said archaea, but archaea are known for living in harsh conditions including hot springs, areas with a high concentration of salt, and deep underground.
