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Nerve impulses are transmitted along the axon by saltatory propagation. This is where the wave of depolarisation jumps across to small gaps known as nodes of ranvier, dramatically reducing the time taken ...
A synapse is a junction or space between two neurons or a neuron and a receptor which allows the transmssions of an electrical or chemical signals to another cell. The first neuron is called the presynapt...
The athlete is running a marathon, therefore their muscles are constantly contracting and therefore using up ATP (Energy). ATP is generated through respiration in cells in the human body. Respiration gene...
DNA replication is the process through which two new strands of DNA are synthesized from the original molecule and predominantly occurs in the S phase of the cell cycle prior to mitosis. To put it simply,...
In every gene, a sequence of three nucleotide bases will code for an amino acids, many of which form a protein. Within the normal gene for haemoglobin, the sequence of bases will code to produce amino aci...
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