2.2 Biological Molecules (INORGANIC IONS)

Question 1

What are inorganic ions?

Answer 1

occur in solution (in the cytoplasm and body fluid of organisms)
Some can be high concentration while some low

Question 2

Hydrogen ions

Answer 2

determine the pH
- higher concentration of H ions = lower ph

Question 3

Iron ions

Answer 3

component of haemoglobin
- carrying oxygen molecule in RBC

Question 4

Sodium ions

Answer 4

involved in co transport of glucose and amino acids

Question 5

Phosphate ions

Answer 5

component of DNA and ATP