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This joint allows 360 degree movement, as there is cartilage at the ends of the bones. The joint itself is surrounded by synovial fluid which reduces friction in movement.

As the environment changes, some species with disadvantageous alleles will fail to compete successfully for food, shelter or a mater. This means that they are less likely to survive to reproduce, so these...

The plagal cadence - IV to I

The water potential in bacterial cells is higher than that of the honey, meaning that water leaves the bacterial cells by osmosis. This loss of water denatures the bacterial cells as it stops metabolic re...

A ribosome is the centre of protein synthesis within an animal cell. Translation and transcription of DNA takes place within a ribosome, meaning the genes are read and a messengerRNA provides transfer and...