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Humans and other mammals keep their body temperature within just a few degrees of 37 degrees celcius. To achieve homeostasis of body temperature, three components are involved: a receptor, a co-ordinator, an...

The beginning of both of these cell activities are very similar with the 23 pairs (46) chromosomes replicating resulting in 2 sister chromatids. At this point when the spindle fibres attach is when the proce...

The two models to explain the actions of enzymes with substrates are the Lock and Key model & Induced fit model. In lock and key the enzyme is the lock and the substrate is the key. As with a lock and th...

A diet high in fat can lead to the formation of atheroma plaques with in blood vessels. These plaques make the walls of vessels rougher which increases the likelyhood of a clot forming. If a clot moves to, o...

The neuron is the basic working unit of the brain, a specialized cell designed to transmit information to other nerve cells, muscle, or gland cells. Neurons are cells within the nervous system that transmit ...