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Give 4 examples of energy-consuming processes in living organisms
Muscle contraction, Peristalsis, Building up proteins from amino acids, Cell division, Active transport, Growth, Electrical impulses, Homeostasis, etc.
The process by which energy is produced from food
Respiration
___ is the term for the chemical reactions in cells that use oxygen to ___ nutrient molecules to release ___.
Aerobic respiration - break down - energy
When food molecules are combined with the oxygen we say that food is ___.
Oxidised
Both Aerobic and Anaerobic respiration need specific ___ to occur.
enzymes
Name the equation for AEROBIC RESPIRATION
GLUCOSE + OXYGEN --> WATER + CARBON DIOXIDE + ENERGY
Name the equation for ALCOHOLIC FERMENTATION
GLUCOSE --> ETHANOL + CARBON DIOXIDE + ENERGY
Name the equation for LACTIC ACID FERMENTATION
GLUCOSE --> LACTIC ACID + ENERGY
Which type of respiration is more efficient and why?
Aerobic respiration because it releases more energy per glucose molecule.
How much energy is released per glucose molecule in aerobic respiration?
2380 kJ
How much energy is released per glucose molecule in anaerobic respiration?
118 kJ
Name 3 things that experiments to investigate respiration may detect.
Any 3 of the following: uptake of O2, production of CO2, the release of energy as, heat, the reduction of dry wet
Explain the difference between breathing and respiration
You should have mentioned the following ideas: ventilation, inhaling and exhaling, cellular respiration, energy, glucose, mitochondria, etc.
