Ne+■ltolisM
· the sum of all the chemical reactions in a cell
· metabolic pathway ➔ a sequential series of chemical reactions
> enzyme catalyzes each reaction
CATABOLISM ANABOLISM
· the process of breaking · the process of building large
down smaller compounds molec.from small molec.
· release energy · uses energy
EB � CO ---4 00 oo� 88--4 OJ
m
CTI 00 00
· study of the transfer & tronsiormation of thermal energtJ(heat)
· biological sysiems are open sysrerns
· First Law
> energy can't be created or destroyed
> can t5e transferred
· second Law
) during any process, the universe tends to disorder
'>entropy� ·measure of disorder
> entropy increases
> only in closed systems
> energl_d transformations proceed spontaneous1w to convert
more ordered, less stable condition to a less oraered I more
stable condition
· free_ �nerqy ➔ �nergy from a chemical reaction that is
ava1l1ble for doing work
�.....-
Endergonic(Anabolic) -
· r�qu1re.s energy
\f�(7D�
· h1gner enthalpy
· lower entropy
· products> react.
Exogon ic !caJqbolic)
· releases energy
· lower enthalpy
· higher entropy \ADP) t @
· reactants > prod.
,
· the sum of all the chemical reactions in a cell
· metabolic pathway ➔ a sequential series of chemical reactions
> enzyme catalyzes each reaction
CATABOLISM ANABOLISM
· the process of breaking · the process of building large
down smaller compounds molec.from small molec.
· release energy · uses energy
EB � CO ---4 00 oo� 88--4 OJ
m
CTI 00 00
· study of the transfer & tronsiormation of thermal energtJ(heat)
· biological sysiems are open sysrerns
· First Law
> energy can't be created or destroyed
> can t5e transferred
· second Law
) during any process, the universe tends to disorder
'>entropy� ·measure of disorder
> entropy increases
> only in closed systems
> energl_d transformations proceed spontaneous1w to convert
more ordered, less stable condition to a less oraered I more
stable condition
· free_ �nerqy ➔ �nergy from a chemical reaction that is
ava1l1ble for doing work
�.....-
Endergonic(Anabolic) -
· r�qu1re.s energy
\f�(7D�
· h1gner enthalpy
· lower entropy
· products> react.
Exogon ic !caJqbolic)
· releases energy
· lower enthalpy
· higher entropy \ADP) t @
· reactants > prod.
,
