inorganic ions

Question 1

what are the roles of the inorganic ions

Answer 1

phosphate ion - attached to other molecules as a phosphate group eg DNA nucleotides(forms phosphodiester bonds), ATP (store/release energy)

hydrogen ion - maintains pH levels, affects rate of enzyme controlled reactions

iron ion - component of haemoglobin, transports oxygen around body

sodium ion - co-transport of glucose and amino acids, generating nerve impulses and muscle contraction