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Camels are adapted to survive extremely dry conditions in deserts, where it is hot during the day and cold at night.They have the ability to go without water for long periods of time; their large humps al...
Hydrogen bonds that link complementary DNA base pairs in the cell's nucleus break and exposes the bases.Free RNA nucleotides in solution combine with their complementary bases of the single DNA strand.A w...
Ever since the accidental discovery of Penicillin by Alexandre Fleming in 1928, antibiotics have revolutionised modern medicine. Also known as 'anti-bacterials' they are used to treat often deadly bacteri...
The process can be broken down into 3 main stages. 1 - An Action Potential triggers Calcium Influx: when the action potential arrives at the synaptic knob of the presynaptic neurone, it s...
Osmosis is the passive movement of water across a semi permeable membrane from an area of high concentration to an area of low concentration.
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