CellularRespiration:(2kinds—AerobicandAnaerobic)
• Cellularrespirationistheprocessbywhichtheenergyof
glucose isreleased inthecelltobeusedforlifeprocesses
(movement,breathing,bloodcirculation,etc…)
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Cellular Respiration: (2 kinds—Aerobic and Anaerobic), Schemes and Mind Maps of Cell Biology
Cellular respiration is the process by which the energy of glucose is released in the cell to be used for life processes. (movement, breathing, blood ...
Typology: Schemes and Mind Maps
2021/2022
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Cellular^ Respiration:
(2^ kinds—Aerobic
and^ Anaerobic)
- Cellular^ respiration
is^ the^ process
by^ which^ the
energy^ of
glucose^ is^ released
in^ the^ cell^ to
be^ used^ for
life^ processes
( movement,
breathing,
blood^ circulation
,^ etc…)
- Cells^ require
a^ constant^ source
of^ energy^ for
life^ processes
but
keep^ only^ a^ small
amount^ of^ ATP
on^ hand.^ Cells
can^ regenerate
ATP^ as^ needed
by^ using^ the
energy^ stored
in^ foods^ like
glucose.
- The^ energy
stored^ in^ glucose
by^ photosynthesis
is^ released^ by
cellular^ respiration
and^ repackaged
into^ the^ energy
of^ ATP.
- Respiration
occurs^ in^ ALL
cells^ and^ can
take^ place
either^ with
or^ without
oxygen^ present.
Aerobic
Cellular
Respiration
Occurs
in^ the
Mitochondria
-^ Cristae‐^ folding
of^ the^ inner
membrane
-^ Matrix‐^ “cytosol”…
similar^ to^ cytoplasm
-^ Diagram Glucose^
Glycolysis^
Electron Transport^ Chain
2 MitochondriaKrebs^ Cycle In^ Cytoplasm
Electrons^ carried^
in^ NADH Electrons^ carried^ in^ NADH^ and^ FADH^2
Step^ 1:^ Glycolysis
-^ Glycolysis
‐^ split^ glucose (sugar)
-^ Occurs^ in^
cytosol (cytoplasm)
-^ Reactants^ •^ Use^2 ATP
to^ split^ glucose
into pyruvate • Rearrange^ resulting compounds • Products • 4 ATP^ &^ pyruvate • 4 ATP‐^2 ATP=
C^ H^ O^6 12 2 NET^ ATP
+ 6OÆ^2 6
6CO+ 6H^2
0 +^ ATP 2
Step^ 2:^ The
Krebs^ Cycle
-^ Occurs^ in^ the
matrix st^ • 1 Reactant :^ Pyruvate st^ • 1 Products :^ CO^ ,^ NADH,^2 acetyl CoA nd^ • 2 Reactant :^ Acetyl^ CoA begins Krebs cycle nd^ • 2 Products :^ CO^ ,^ NADH,^2 (2)ATP, and FADH^2
-^ NADH^ &^ FADH
used^ in^ last 2 step^ of^ respiration
(electron C^ H^6 transport^ chain) O+ 6O 12 6
Æ^6 CO 2
- 6H^ 0 +^2 2
ATP
Anaerobic
Respiration:
occurs^ when
no^ oxygen
is
available^ to
the^ cell^ (^
kinds:^ Alcoholic
and^ Lactic^
Acid)
- Also^ called
fermentation
-^ Much^ less
ATP^ produced
than^ in^ aerobic
respiration
- Alcoholic
fermentation—occurs
in^ bacteria
and
yeast^ Process^
used^ in^ the
baking^ and
brewing industry—yeast
produces^ CO
gas^ during 2 fermentation
to^ make^ dough
rise^ and^ give
bread
its^ holesglucose
ethyl^ alcohol
+^ carbon^ dioxide
+^^2 ATP
glycolysis
Anaerobic^
RespirationAlcoholic fermentationBacteria, Yeast^^2 ATPLactic acid fermentationMuscle cells^^2 ATP
Aerobic^ Respiration^36 ATP
ETC Krebs^ CycleMitochondria Cytoplasm
- The^ first^ step
in^ anaerobic
respiration
is^ also^ glycolysis
DiagramC^ H^ O^6 12 6 glucose
Photosynthesis
Cellular Respiration
Stages^
Light ReactionDark Reaction
GlycolysisKrebs CycleElectron Transport Chain
Energy^
Light (red & blue)
Glucose, ATP
Materials Used(Reactants)
CO^ + HO^2
CHO, O, H^6 12 62
0
Materials Produced(Products)
CHOO^ , H^6 12 6,^2
0 Aerobic- ATP, H
0, CO^2 Anaerobic- ATP, H
0, CO^ , 2 2 lactic acid or alcohol
Time Frame^
All the timeLight: day timeDark any time
All the time24/
Location^
Chloroplasts^
Mitochondria
Importance^
Glucose^
ATPAll life processes