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CH 7 Cellular Respiration - Coggle Diagram
CH 7 Cellular Respiration
7.1 Energy through cellular respiration
necessity
of
energy
in
metabolic processes
Metabolism
- sum of all of the chemical reactions that are involved in
catabolism
and
anabolism
maintenance of body temperature
muscle contaction
cell division
Transmission of nerve impulses
Active Transport
subtrate
used in
energy production
glucose
(digestion of carbohydrates & photosynthesis)
oxidation of glucose --> release chemical energy (ATP)
Types of cellular respiration
aerobic respiration (02)
Anaerobic reaction
fermentation
7.2 Aerobic respiration
break down/oxidise glucose
uses pyruvate to produce MORE energy
occur in the
mitochondria
&
cytoplasm
end product
Carbon dioxide, water, energy
7.3 Fermentation
alcohol/ ethanol fermentation
YEAST (ethanol)
make beer & wine
released CO2 - raise bread
PLANTS (paddy plants)
produce
alcohol dehydrogenase enzyme
- break down ethanol molecules --> non toxic CO2
Lactic acid fermentation
LACTOBACILLUS
HUMAN MUSCLE CELLS
occur in the
cytoplasm
ONLY
end product
ANIMAL
lactic acid, energy
PLANT
carbon dioxide, ethyl alcohol, energy
incomplete
breakdown of glucose w
limited/no oxygen
Glycolysis
1 glucose --> 2 pyruvate
breakdown of glucose by
enzymes
Pyruvate
oxidised to produce CARBON DIOXIDE, WATER, ENERGY