Membrane Potential In class
Know the number for the potassium pump
Cell membrane
Phospholipid bilayer
Phospholipid head (hydrophilic, phosphate head)
Hydrophobic tails
Barrier to ions, selective membrane
Atom & molecule
Atom: neutral particles
molecules: 2 or more atoms joined together acting as a unit
water
causes salt to dissociate into ions (sodium chloride)
Ions (atoms or molecules)
positively charged: Cations
negatively charged: Anions
Important ions
SOdium (NA+)
Potassium (K+)
Chloride (CL-)
Calcium (CA2+)
nature seeking balance
2 driving forces at work
Membrane Potential In class 1
Know the number for the potassium pump
Cell membrane
Phospholipid bilayer
Phospholipid head (hydrophilic, phosphate head)
Hydrophobic tails
Barrier to ions, selective membrane
Atom & molecule
Atom: neutral particles
molecules: 2 or more atoms joined together acting as a unit
water
causes salt to dissociate into ions (sodium chloride)
Ions (atoms or molecules)
positively charged: Cations
negatively charged: Anions
Important ions
SOdium (NA+)
Potassium (K+)
Chloride (CL-)
Calcium (CA2+)
nature seeking balance
2 driving forces at work
Membrane Potential In class 1
