3.1.8 inorganic ions Flashcards
1
Q
Where are inorganic ions found?
A
In solution in the cytoplasm and body fluids of organisms, some in high concentrations and some in low.
Each ion has a specific role depending on its properties
2
Q
What is the role of hydrogen ions?
A
Regulate pH levels, making it optimal for enzymatic reactions
3
Q
What is the role of iron ions?
A
Iron ions are a component of haemoglobin, they are responsible for binding oxygen molecules to haemoglobin
4
Q
What is the role of phosphate ions?
A
Components of ATP, DNA and the phospholipidbilayer
5
Q
What is the role of sodium ions?
A
Co-transport of glucose and amino acids
6
Q
What are the complimentary base pairings, number of hydrogen bonds and carbon rings?
A
- A-T- 2 hydrogen bonds
- G-C - 3 hydrogen bonds
- On the left Purines (2 rings)
- On the right pyrmadines (1 ring)
