Answer:
Heme,porphyrin,Fe2+
Explanation:
The prosthetic group of hemoglobin and myoglobin is heme.
The organic ring component of heme is porphyrin
Under normal condition the central atom of heme is Fe2+
Answer: Stem cell research has the potential to treat diseases that are currently burdened with high health care costs—especially chronic conditions such as heart disease, Alzheimer's disease or diabetes, the costs of which threaten to cripple the healthcare system.
Answer;
-All blood types made compatible with each other
Explanation;
-In 1898, it was discovered that inherited differences in people’s red cells were the cause of many of the incompatibilities found with transfusions.
-During World War I, when human blood was needed for transfusions for wounded soldiers, studies began of how to preserve and transport blood and four blood types were identified.