Chemistry for Biologists

Inorganic ions

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

 

RSC