1.8 Inorganic Ions Flashcards
1
Q
State 2 uses of Hydrogen ions in living organisms
A
1 - sucrose loading in phloem
2 - controlling pH of body
2
Q
State 2 uses of calcium ions in living organisms
A
1 - synaptic transmission
2 - muscle contraction
3
Q
State one use of Iron ions in living organisms
A
Hb in red blood cells
4
Q
State one use of magnesium ions in living organisms
A
component of chlorophyll
5
Q
State two uses of phosphate ions in living organisms
A
1 - nucleotide synthesis for ATP production
2 - Phosphate heads in phospholipid bilayer in cell membrane
6
Q
State one use of sodium and potassium ions in living organisms
A
Absorption in the ileum
7
Q
Give a definition of ion
A
atom of an element that has lost or gained electrons and are now charged
8
Q
Give a definition of inorganic
A
don’t contain any carbon atoms
