Inorganic Ions

Question 1

What is the function of hydrogen ions?

Answer 1

Act as a measure of pH level
( the higher the H+ concentration, the lower the pH level, the more acidic the solution is)

Question 2

What is the function of iron ions?

Answer 2

Found in each polypeptide chain of haemoglobin where it binds to O2.

Question 3

What is the function of sodium ions?

Answer 3

Involved in the co-transport of glucose and amino acids into ileum cells of the small intestine

Question 4

What is the function of phosphate ions?

Answer 4

Found in ATP where they act as a store for energy

Found in DNA and RNA where they allow phosphodiester bonds to from between nucleotides to form polynucleotides