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A group of similar tissues that work together to perform a particular function.
Air always moves from an area of higher pressure to an area of lower pressure, an example of this is when there is a puncture in a tyre. The air in the tyre is at higher pressure than normal and so when t...
Inhibitors are molecules that stop substrates from being able to bind to their enzymes, and therefore inhibit the action of specific enzymes. A competitive inhibitor is an inhibitor which has a si...
So first we must gather the informaton, the disease is caused by a dominant allele, we may call this 'D', the recessive could therefore be 'd'. The mother has the disease, but the father does not. Therefo...
A stimulus at the receptor end of the neuron causes the membrane to become more permeable to Na+ ions. Because there is a higher concentration of Na+ on the outside of the cell the flood into the cell dow...
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