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Farmers could keep information on their cows such as the milk yield of a bull's mother and daughters in order to select ideal bulls as male parents. These bulls would then be allowed to mate with (unrelat...

In order to break the hydrogen bonds connecting complementary base pairs, (G&C, T&A) in a double helix DNA strand, energy is required. In order to overcome this energy barrier there are enzymes in...

The role of the myelin sheath is to speed up the conduction of an action potential along neurones. It's made up of Schwann cells that wrap around neurones, forming an insulating layer with gaps inbetween ...

DNA Nucleotides are monomers which form phosphodiester bonds during a condensation reaction to become polymer stands. Two polymer strands twist together into a double helix to form the final DNA molecule ...

ventilation - achieved via breathing, the physical act of exchanging air between the lungs and the atmospheregas exchange - passive diffusion between alveoli and the bloodstream, resulting in the exchange...