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Paper 1
Bioenergetics
Respiration
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Biology > Paper 1 > Bioenergetics > Respiration
10 cards
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Respiration
A process that supplies the
energy
needed for
biological
processes
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Respiration is an exothermic reaction because it releases energy and it takes place
continually
in all living cells
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Types of respiration
Aerobic
respiration
Anaerobic
respiration
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Aerobic respiration
1.
Glucose
reacted with
oxygen
gas
2. Produces
carbon dioxide
and
water
3. Releases
energy
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Aerobic
respiration
Glucose
molecule has been fully
oxidized
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Glucose
Oxygen
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Carbon dioxide
Water
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Anaerobic respiration in muscles
1.
Glucose
converted to
lactic acid
2. Does not require
oxygen
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Anaerobic
respiration releases much
less
energy than aerobic respiration
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Anaerobic respiration in plants and yeast
1.
Glucose
converted to
ethanol
and carbon dioxide
2. Does not require
oxygen
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Fermentation
Anaerobic respiration in
yeast
cells used to make alcoholic drinks and
bread
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