Cellular Respiration Study Notes for Science Students
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This is a...
cellular respiration cell down nutrient molecules produced
gains energy by breaking by
=
photosynthesizes produces ATP
->
releases CO2 opposite of photosynthesis
↳
requires O2
-
,
↳ is a Oxidation reduction
redox reaction loss of e of e
remember
gain
: = =
, ,
care :
I atom consists of H" + e ,
so when H is removed /added e-is ,
too
molecule
glucose is a
high-energy
↳ breakdown released in reaction is used
products CO2 and H2O are
low-energy so
energy
is ,
to produce ATP
of cellular respiration allow
pathways
Oxidation
energy
slowly gradually
from to be released
glucose
to
602
6160
Cold1206 ↓ 60 z
·
+ + energy
glucose Produces ATP
Reduction
↳ 36-38 ATP-s-39 % of
usually energy
that was
available in
glucose
metabolic reactions in allular respiration various
are
catalyzed by enzymes
↳ NAD o redux
very important coenzyme
↳
NAD accepts H + ze-
When metabolite is oxidized ,
resulting in NADH
↳ +
e-that NAD receives are
high-energy and carried into ETC
NAD"
+
+
ze- + H -
NADH
NAD" reduce metabolite
can oxidize or
by accepting giving up e
sometimes FAD used instead (another
coenzyme]
2H"
-
↳
accepts + ze , becomes FADH2
PHASES OF CELLULAR RESPIRATION
Glycolysis
↳ takes
place outside mitochondria , does not need O2 -anaerobic (other phases happen
in mitochondria and need O2 -
acrobic
moucule) (3-carbon)
glucose (a 6-carbon
is the breakdown of into two molecules
pyruvate
↳ oxidation results in NADH , produces 2 ATP
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