Inorganic Ions

Question 1

Hydrogen ions, H+(cation)

Answer 1

Hydrogen bonding
ATP production
Control of blood PH
Transport of carbon dioxide

Question 2

Calcium ions,ca2+(cation)

Answer 2

Bone and enamel structure(calcium phosphate)
Cofactor in blood clotting
Synaptic transmission of nerve impulses
Muscle contraction

Question 3

Iron ions,Fe2+/Fe3+(cation)

Answer 3

Transport of oxygen via heamoglobin
Transport of electrons(respiration and photosynthesis

Question 4

Sodium ions,Na+(cation)

Answer 4

Electrolyte
Nerve transmission
Reabsorption of water in the kidneys

Question 5

Potassium ions,K+(cation)

Answer 5

Electrolyte
Nerve transmission
Reabsorption of water in the kidneys
Opening of the stomata

Question 6

Ammonium ions,NH4+(cation)

Answer 6

Deamination of proteins

Question 7

Nitrate ions,NO3-(anion)

Answer 7

Source of nitrogen for plants

Question 8

Hydrogen carbonate ions,HCO3-(anion)

Answer 8

Carbon dioxide transport in the blood

Question 9

Chlorine ions,Cl-(anion)

Answer 9

Maintaining PH balance during carbon dioxide transport

Question 10

Phosphate ions PO4^3-(anion)

Answer 10

Component of all cell membranes (phospholipids)
Componant of bone(calcium phosphate)
Component of ATP and nucleic acids

Question 11

Hydroxide ions,OH-(anion)

Answer 11

Bonding between biochemical molecules