inorganic ions Flashcards
(4 cards)
1
Q
What is the role of a sodium ion?
A
Co-transport of glucose and amino acids across cell membranes
2
Q
What is the role of an iron ion?
A
Component of haemoglobin which transports oxygen
3
Q
What is the role of a hydrogen ion?
A
Important in determining pH and thus affecting protein structure and enzyme activity
4
Q
What is the role of a phosphate ion?
A
Important as a structural component of DNA, RNA and ATP
