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Chapters 8-9 (Aerobic Respiration (Glycolysis (PRODUCTS (2ATP, 2 Pyruvic…
Chapters 8-9
Aerobic Respiration
Transition Reaction
cytoplasm to mitochondria
Oxygen not required
REACTANTS
PRODUCTS
Krebs Cycle
REACTANTS
2 Acetyl CoA
6 NAD+ from ETS
2 ADP + 2P
2FAD from ETS
PRODUCTS
4 co2
6NADH go ETS
2 FADH go ETS
2 ATP
mitochondrial matrix
Glycolysis
sugar slpitting
PRODUCTS
2ATP
2 Pyruvic acid
2NADH
2 H+
REACTANTS
1 Glucose
2NAD from ETS
2ADP+2P
Oxygen not required
cytoplasm of cell
Electron Transport Chain
oxidative phosphorylation
Production ATP
energy from
redox reaction
chemical reaction
electron transfer
reduction
oxidation
Mostly ezymes
chemiosmosis
energy coupling
hydrogen ion gradient
uses energy stored
drive cellular work
ATP synthase
inner membrane mitochondria
PRODUCTS
6CO2
6H2O
energy ATP 30-32
REACTANTS
C6H12O6
6O2
Exergonic and Endergonic
Energy release
energy consumed
Catabolic
metabolic pathway
breaks down
Complex molecules to Simple molecules
Anabolic
metabolic pathway
consumes energy
Simple molecule to Complex molecule
Exergonic
spontaneous
chemical reaction
release of energy
Endergonic
chemical reaction
free energy
absorbed
portion of energy
can perform work
temp & pressure uniform
from surroundings
Anaerobic and Fermentation
Lactic acid fermentation
lacatate
example: bacteria cheese
NADH reduced pyruvate
NO co2
Obligate Anaerobes
An organism
only fermentation or anaerobic
O2 may be poisonous
cannot use O2
Alcohol fermentation
glycolysis
reduction of pyruvate
produces
NAD+
co2
ethyl alcohol
ex: YEAST
Facultative Anaerobes
organism
makes ATP
can be areobic if O2
NO O2 switches to
or
fermentation
anaerobic
Enzymes
substrate
enzyme subsrtae complex
catalyst
chemical agent
sensitively increase
rate reaction
activation energy
amount energy
reactants must absorb
before reaction starts
Effect of temp & pH