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An enzyme is a protein catalyst.
A catalyst is a substance which alters the rate of a chemical reaction. (So it can speed up a chemical reaction).
The key...
The walker's body will do three things to help slow the decrease in core body temperature. The first is the walker will begin to shiver. Shivering is the spasming of muscles, the muscles as they work g...
Populations naturally vary. (Think of how people in your class vary in height, weight and other features)This variation is brought about by inheritance of g...
Different parts of the body have very different functions, so it is important that the cells in these different parts have adapted in order to help the functioning to be more efficient.
F...
MRI stands for magnetic resonance imaging and uses the application of a magnetic field and radio frequency photons to manipulate the spin state of protons (hydrogen nuclei). Hydrogen is one of the most...
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