Inorganic Ions Flashcards
1
Q
What is the formula of a phosphate ion?
A
PO4 3-
2
Q
What is the formula of a hydrogen ion?
A
H+
3
Q
What is the formula of an iron ion?
A
Fe 2+
4
Q
What is the formula of a sodium ion?
A
Na+
5
Q
What is the purpose of a phosphate ion?
A
Part of phospholipids, DNA, RNA, ATP, etc. Can phosphorylate molecules.
6
Q
What is the purpose of a hydrogen ion?
A
Determines the pH of solutions which affects protein structure. The more H+, the more acidic the pH.
7
Q
What is the purpose of an iron ion?
A
prosthetic group in haemoglobin. Binds to oxygen to allow its transport in blood.
8
Q
What is the purpose of a sodium ion?
A
Important role in absorption of glucose and amino acids in small intestine.
