Biochem: Inorganic compounds Flashcards
water makes up __________ percent of our cells
60-80 percent
what are the four properties of water?
heat capacity, heat of vaporization, polarity/solvency, reactivity
water added to break down molecules is?
Hydrolosis
water removed to synthesize is?
dehydration
the ability to dissolve reactants is?
polarity/solvency
all organic molecules have?
carbon
polymers are created using what process?
dehydration synthesis
salts ________ in the prescence of water (solution)
dissociate
electrolytes get their name because?
they are charged atoms
Na+ Cl- K+ and Ca++ are?
membrane potential on cell
Ca++ and PO4 is?
calcium phosphate for bone
Fe++ Mg++ Zn+ Cu+ is?
blood and enzymes
which organ is essential for water and salt homeostasis?
Kidneys
what compounds release H+ ions in solution and increase H+
Acids
HC2H3O2 is?
Acetic acid
HCL is?
hydrochloric acid
compounds that recieve H+ ions or produce OH_ acceptors
Bases
NaOH is?
sodium hydroxide
MgOH
Magnesium hydroxide
nitrogenous waste that becomes urine (urea) is?
Ammonia
a measure of H+ concentration in a solution is ?
PH
1 of _______ water molecules ___________ in pure H2O
10^7, dissociates
PH =
-log10 H+
pure water PH is?
7.0
bases interacting in 1step is called?
directly
bases interacting in 2 steps is called?
indirectly
body PH must be stable or proteins will?
denature
what compound dampens the fluctuation of PH in the body?
buffers
PH of blood serum
7.35-7.45
strong acids ______________?
completely dissociate (HCl)
weak acids ______________?
partially dissociate (carbonic acid)
strong bases ______________?
dissociate (NaOH)
weak bases ___________?
Partially dissociate (bicarbonate)
what system keeps PH stable in the blood
carbonic acid bicarbonate buffer system
reactions go to the left for ?
acid conditions 7-0
reactions go to the right for?
basic conditions 7-14