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Auxin is a growth hormone in that is found in plants. When it is released, it causes the affected cells to elongate. Auxin is released along the shaded side of the plant, at the shoot tip. This causes the...

The membrane of an axon consists of three main protein channels: the sodium/potassium pumps, voltage-gated sodium channels and voltage-gated potassium channels. These play a role in establishing the membr...

Depolarisation of plasma membrane opens voltage-gated calcium channels, allowing calcium ions to move into pre-synaptic bulb down the concentration gradientHigh intracellular calcium results in the mobili...

6H₂O + 6CO₂ --> C₆H₁₂O₆ + 6O₂

The cytoskeleton is an internal framework within the cell made up of two different protein fibres: microfilaments and microtubules. It has a number of different functions including: providing mechanical s...