Download energy

http://www.sumanasinc.com/webcontent/animations/content/cellularrespiration.html
• Energy is stored in the bonds of a molecule
• Energy is required to create large molecules
• Energy is released when larger molecules break
apart into smaller subunits
6CO2 + 6H2O + sunlight  C6H12O6 + 6O2
CARBON
DIOXIDE
WATER
GLUCOSE
OXYGEN
ENERGY
sunlight
CO2
H2O
O2
C6H12O6
ENERGY
ATP
with oxygen
• aerobic respiration
• a process used by both plants and animals to
generate useable chemical energy (ATP) from stored
chemical energy (glucose)
• occurs in the cytoplasm and mitochondria
folds created by the
inner membrane
0. Glucose enters a cell
1. GLYCOLYSIS:
glucose is broken into two
molecules of pyruvate C3H4O3
- generates 2 ATP and 2 H+ atoms
- H+ atoms are carried by NADH
- Pyruvate molecules enter the
matrix of the mitochondria
2. KREB’S CYCLE
Pyruvate is further broken down
(into Acetyl CoA, and then) into CO2
- CO2 leaves the mitochondria & cell
- generates 2 ATP
- generates 8 H+ atoms that are
carried by NADH and FADH2
H+
H+
H+
H+ H+
H+
H+
H+
3. ELECTRON TRANSPORT CHAIN
hydrogen carriers (NADH, FADH2)
push H+ atoms out of the inner
membrane, creating a concentration
gradient
- the flow of H+ atoms back into the
matrix is used to attach P to ADP
- Generates 32 ATP
with oxygen
• aerobic respiration
• a process used by both plants and animals to generate
useable chemical energy (ATP) from stored chemical
energy (glucose)
• occurs in the cytoplasm and mitochondria
•
•
GLYCOLYSIS -> KREB’S CYCLE -> ELECTRON TRANSPORT CHAIN
one glucose molecule -> 36 ATP
https://www.youtube.com/watch?v=JnQqbMg74Hk
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