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Anerobic respiration is used when AEROBIC respiration can no longer take place. This is because there is a deficit in oxygen so the process of aerobic respitartion can no longer occur. The organism still ...

The similarities between aerobic and anaerobic respiration, is that they both use glucose as the starting molecule. This is called the substrate. In addition, both aerobic and anaerobic respiration produc...

When a neurone is stimulated an action potential is generated by a change in ion concentrations across the cell membrane. The resting membrane potential (the potential of charge across the membrane when t...

Homeostasis- is the principle by which the body maintains a constant internal environment in order to provide optimal conditions for the cells and enzymes to function. Water is taken in via drinking and a...

Water moves into the plant stem from the soil, and up to the leaves via the xylem. Water is taken up by the hairs on the root of the plant down the water potential gradient via osmosis, following the acti...