glycolysis (cytoplasm)
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Cellular Respiration and PhotosynthesisYou will need to know the inputs and
outputs of each reaction
The overall reaction for Cr and Ps
Where is each reaction taking place
Understand what the “goal” of each reaction is
What is the role of the major molecules
Connect back to previous material (facilitated diffusion, active transport, exergonic, endergonic)
Rs - Equation
C6H12O6 + 6 O2 6 CO2 + 6
H2O + ATP
The energy is released from the chemical
bonds in the complex organic molecules.
Oxidation - definitions
Loss of electrons.
Loss of energy.
Reduction - definitions
Gain of electrons.
Gain of energy.
Photosynthesis Equation
6 CO2 + 6 H2O + Sunlight C6H12O6 + 6 O2
Fig. 5.3
Fig. 5.4
Inputs Outputs Location in the Cell
Glycolysis Glucose, ADP + PNAD+ + H+ ATP
2 Pyruvate , ATPNADHADP + P
Cytoplasm
Link Reaction 2 PyruvateNAD+ + H+
2 Acetyl – CoA, 2 CO2
NADH
Matrix of Mitochondria
Krebs Cycle 2 Acetyl – CoANAD+ + H+ FAD +2 H+
4 CO2
NADHFADH2
Matrix of Mitochondria
Oxidative Phosphorylation (ETC)
O2 + 2 H+ NADHFADH2
ADP + P
H2ONAD+ + H+ FAD +2 H+ *****ATP *****
Inner mitochondrial membrane and matrix of mitochondria
Light Dependent Reaction
H2ONADP+ + H+ ADP + P
O2 + 2 H+ NADPHATP
Inner thylakoid membrane and stroma of chloroplast
Calvin Cycle (Carbon Reactions, Light Independent Rxn)
CO2 NADPHATP
PGAL GlucoseNADP+ + H+ ADP + P
Stroma of chloroplast
Glycolysis (cytoplasm)
Pyruvate processing (membrane b/w
cytoplasm and mitochondria)/ Citric acid Cycle (mitochondrial matrix)
Electron Transport Chain (mitochondrial membrane)
Why do you suffocate when you lose access to oxygen?
a. Explain what happens inside your mitochondria when you lose access to oxygen and why this poses such a dire problem for your cells.
b. How is it that some other organisms don’t suffocate in oxygen-free environments, and in fact thrive there?
C6H12O6 + 6 O2 6 CO2 + 6 H2O
Aerobic Cellular Respiration
36 ADP + 36 Pi 36 ATP
DG = –2870 kJ/mol
DG = +992 kJ/mol
DGtotal = -1878 kJ/mol
Inputs:
Outputs:
The Big Picture
Cellular Respiration Animations
Glycolysishttp://www.science.smith.edu/departments/Biology/Bio231/
glycolysis.html
Krebs Cyclehttp://www.science.smith.edu/departments/Biology/Bio231/kr
ebs.html
Electron Transport Chainhttp://www.science.smith.edu/departments/Biology/Bio231/et
c.html
Photosynthesis Animations
Light Dependent Reactionshttp://www.science.smith.edu/departments/Biology/Bio
231/ltrxn.html
Calvin Cyclehttp://www.science.smith.edu/departments/Biology/Bio
231/calvin.html
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