Chemistry for Biologists

Inorganic ions

1. Which ion is essential for bone growth in mammals?
sodium
calcium
potassium
magnesium
2. Which ion has an important role in energy transfer and storage in mammals?
chloride
phosphate
magnesium
iron
3. Which ion is essential for the growth of healthy roots in a plant?
potassium
phosphate
nitrate
calcium

 

RSC