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A synapse is the fluid filled gap between the presynaptic neuron and postsynaptic neuron. 1) An electrical impulse travels along an axon of the presynaptic neuron. 2) When the impulse reaches the nerve-en...
Osmosis is the net movement of free water molecules from an area of high concentration to low concentration across a selectively permeable membrane.
First of all a nucelotide is the monomer that makes up DNA. Millions of monomers are joined together to form the double helix of a DNA molecule. A nucleotide is made of a pentose sugar (in the case of DNA...
This is a common question. After learning about translation in A-level biology and the importance of converting DNA into proteins (the building block of organisms), students often assume that all<...
A synapse s a junction between two neurones. Neurotransmitters are relased from one neurone and diffuses across the synapse to stimulate the next neurone.
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