2015 · Q83
Hemocyanin is an oxygen-transport metalloprotein present in some invertebrate animals. This protein contains
general-sciencebiology-human-body
- Aone copper atom
- Btwo copper atoms
- Cone iron atom
- Done magnesium atom
Explanation
Hemocyanin, the oxygen-carrying protein of many molluscs and arthropods, binds oxygen at a site containing two copper atoms, unlike haemoglobin which uses iron. It does not contain one copper atom, iron or magnesium. Hence it contains two copper atoms.