Inorganic ions

Question 1

What are inorganic ions?

Answer 1

• an ion that doesn’t contain carbon
• ions that occur in solution in the cytoplasm and body fluids of organisms, some in high concentrations and others in very low concentrations (depends on its role)
• Each has a specific role depending on its properties
• Positive = cation
• negative = anion

Question 2

Hydrogen ions?

Answer 2

Lower the pH of solutions and impact enzyme function and haemoglobin function/ role in chemiosmosis

Question 3

Iron ions

Answer 3

A component of haemoglobin in the transport of oxygen

Question 4

Sodium ions

Answer 4

Involved in the Co transport of glucose and amino acids in absorption. Or enrol in generating action potentials

Question 5

Phosphate ions

Answer 5

A component of DNA (forms phosphodiester bonds with deoxyribose) and ATP (makes ADP more reactive)