Inorganic Ions Flashcards
1
Q
Name the 4 inorganic ions.
A
Phosphate (PO43-)
Hydrogen (H+)
Iron (Fe2+)
Sodium (Na+)
2
Q
How is phosphate used as an inorganic ion?
A
Attached to other molecules as a phosphate group
. In DNA nucleotides
. In ATP
3
Q
How is hydrogen used as an inorganic ion?
A
Maintains pH levels in the body
. Too many H+ ions - acidic
. Too little H+ ions - alkali
4
Q
How is iron used as an inorganic ion?
A
Component of haemoglobin (red blood cells)
Transports oxygen around the body
5
Q
How is sodium used as an inorganic ion?
A
Co transport of glucose and amino acids across cell membranes
Involved in nerve impulse and muscle contraction
6
Q
Where are inorganic ions found?
A
In solution in the cytoplasm
Body fluids of organisms
Some in high concentrations and others in very low concentrations
