ch 7 cellular respiration - wikispaces 7 cell...cellular respiration linked to photosynthesis--...
TRANSCRIPT
![Page 1: Ch 7 Cellular Respiration - Wikispaces 7 Cell...Cellular Respiration Linked to Photosynthesis-- Equation: 3 Main Processes Glucose Glycolysis Krebs cycle Electron transport Fermentation](https://reader031.vdocuments.net/reader031/viewer/2022030714/5afe72917f8b9a434e8f1808/html5/thumbnails/1.jpg)
Ch 7
Cellular Respiration
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7.1
Glycolysis & Fermentation
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MMMMmmm....
You eat lunch…
Digest its macromolecules...into
How do you get the ENERGY out?
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Cellular Respiration
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Linked to Photosynthesis--
Equation:
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3 Main Processes
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Glucose
Glycolysis Krebs
cycle
Electron
transport
Fermentation
(without oxygen)
Alcohol or
lactic acid
Aerobic Respiration
Anaerobic Respiration
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Glycolysis
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Glycolysis
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Glycolysis
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2. Aerobic Respiration
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3. Anaerobic Respiration
Fermentation
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Fermentation (Anaerobic Respiration)
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Pyruvic Acid
NADH + H+ NAD+ + 2 H+ + 2 e-
Lactic Acid
Pyruvic Acid
NADH + H+ NAD+ + 2 H+ + 2 e-
Ethyl
Alcohol
(Ethanol)
Lactic Acid Fermentation
Alcoholic Fermentation
To Glycolysis
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What’s the
difference?
Similarities?
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Uses of Fermentation?
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HW Check! p. 136 #1-3,7
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Opener, Tuesday: 3/13
Summarize glycolysis.
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7.2 Aerobic Respiration
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2. Aerobic Respiration
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Mitochondria...Draw It!
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Structure of Mitochondrion
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Aerobic Respiration
3 Main Steps:
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NADH + H+ NAD+
CoA
CoA
NAD+
NAD+
NADH + H+
NAD+
NADH + H+
NADH + H+
FAD
FADH2
ATP ADP
+ P
CO2 C
Pyruvic
Acid C C C
Acetyl-CoA C C
Citric Acid
C C C C C C
CO2 C
Ketoglutaric
Acid
C C C C C
Succinic
Acid C C C C
CO2 C
Malic
Acid C C C C
Oxaloacetic
Acid C C C C
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Hans!
(Krebs)
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2 2
8 NADH
2 FADH2
2 NADH
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6C
4C
4C
4C
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Pair-Share…
Summarize the Krebs Cycle
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3. Electron Transport Chain
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Electron Transport
Hydrogen Ion Movement
ATP Production
ATP synthase
Channel
Inner Membrane
Matrix
Intermembrane Space
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Electron Transport Chain
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Energy Yield
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Cell Resp Summary
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p.139
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p. 144 1-6,8
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p.146 1,5,7,9,11,12,16,18,20
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p. 147
P.147
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chloroplast
sunlight
WATER
Thylakoid
chlorophyll
oxygen
Energy-carrying molecules transferred to light-independent reactions
CO2 from atmosphere
Light-indep. Rxns (Calvin Cycle)
6-C sugar (glucose)
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WHY do your cells need Oxygen?
• oxygen must accept
the final e-
• If not, it stops the
ETC!
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Summary of Cell Respiration
• 1ST STEP?
• Glycolysis- converts glucose to pyruvic
acid, only makes a little ATP
• Aerobic-
– pyruvic acid CO2 & H2O
– ONLY in presence of oxygen
– Creates A LOT of ATP
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Comparing
Photosynthesis & Cell Resp.
• graphic organizer
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Chemical Equation
C6H12O6 + 602 6CO2 + 6H2O + ATP
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Light reactions and
Calvin Cycle
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Harvesting Chemical Energy
• Cell Respiration
– Process in which
cells make ATP by
breaking down
organic compounds
– This is done in both
heterotrophs and
autotrophs