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The easiest way of remembering the stages of Mitosis (which is when a divides) is by using a mnemonic that will help you remember, with a one word description of each phase to help you remember what happe...
When an action potential arrives at the junction, the depolarisation causes voltage-gated calcium channels to open resulting in the influx of calcium ions in to the pre-synaptic neurone. This triggers the...
The alveoli have a number of adaptations for effective gaseous exchange. Firstly, they have a very large surface area to volume ratio; the combined surface area of the alveoli is approxim...
ATP (adenosine triphosphate) is the energy-carrying molecule used in cells. It is produced by mitochondria during aerobic respiration via the tricarboxylic acid (TCA) cycle. Additionally, it is also produ...
Many mitochondria which release lots of energy allowing it to swim.Flagellum (tail) which allows it to swim to the egg.Enzymes in the head which allow it to digest the egg cell membrane.
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