Inorganic Ions

Question 1

Give an Example of the role hydrogen ions

Answer 1

An increase in H+ causes a solution to be more acidic - lowers pH

Question 2

Give an Example of the role of Iron ions

Answer 2

Each of the 4 haem groups of haemoglobin has an iron ion where one molecule of oxygen binds

Question 3

Give an example of the role of Sodium ions

Answer 3

Sodium ions are required for the co transport of glucose in the intestinal epithelial cells.

Question 4

Give an example of the role of phosphate ions

Answer 4

These are key molecules in the formation of DNA & ATP. Also in phospholipids as they have 2 fatty acids and a phosphate