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Sensory, Motor and Relay neurones

The brain and the spinal cord

Once a person has eaten a meal, their digestive system will break the nutrients down into smaller components that can travel in the blood to any parts of the body that need them. Any carbohydrates in t...

Splicing is a process where premRNA is transformed into mRNA.

It involves the removal of Introns ( gene sequences which do not code for proteins ) and the attachment of exons (sequences w...

Osmosis is the diffusion of water from a dilute solution to a concentrated solution across a partially permeable membrane.

Terms: Diffusion (the net movement of particles from a high to a...