Key Inorganic Ions

Question 1

Cations

Answer 1

Ca2+
K+
Na+
H+
NH4+

Question 2

Ca2+

Answer 2

Increases rigidity of bones, teeth & cartilage
Nerve impulse transmission
Muscle contraction

Question 3

K+

Answer 3

Sodium potassium pump
Nerve impulse transmitting
Generates healthy leaves and flowers

Question 4

Na+

Answer 4

Sodium potassium pump
Nerve impulse transmission
LOH osmoregulation
Kidney function

Question 5

H+

Answer 5

Regulator of blood pH
Catalysis of reactions

Question 6

NH4+

Answer 6

Component of nucleic acids & nitrogen cycle
Production of nitrate ions

Question 7

Anions

Answer 7

NO3-
HCO3-
Cl-
PO43-
OH-

Question 8

OH-

Answer 8

Formation of H bonds

Question 9

PO43-

Answer 9

Activate proteins via phosphorylation
ATP formation, bone, nucleic acid, cell membrane formation

Question 10

Cl-

Answer 10

LOH osmoregulation
Chloride shift to balance charge

Question 11

HCO3-

Answer 11

Maintenance of blood pH
CO2 transport

Question 12

NO3-

Answer 12

Nitrogen supply to plants for amino acids and protein formation
Component of proteins, vitamins & chlorophyll