Inorganic ions Flashcards
(5 cards)
1
Q
Where can inorganic ions be found in the body?
A
Occur in solution in the cytoplasm and body fluids of organisms.
2
Q
What are the 3 key organic ions?
A
Phosphate ions
Sodium ions
Hydrogen ions
3
Q
What is the role of phosphate ions in the body?
A
Phosphate ions form the phosphate groups of DNA/RNA nucleotides. This enables nucleotides to join together - phosphodiester bonds form
Phosphate ions form the phosphate groups in ATP releases energy.
4
Q
What is the role of sodium ions in the body?
A
for the co transport of glucose and amino acids across cell membranes.
5
Q
What is the role of hydrogen ions in the body?
A
It maintains pH levels in the body. Too much H+ means low pH.
Affects rate of enzyme controlled reactions as it causes enzymes to denature.
