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An enzyme is a biological catalyst which can speed up the rate of chemical reactions, it is also a protein that can be reused.
The lock and key model explains how an enzyme works to catalyse reactio...

Potassium has one electron in its outer shell, and Sulfur has two. When forming an ionic compound with one atom of sulfur, two potassium atoms are used. Each potassium atom donates its outermost electron ...

Osmosis is a term used to describe the movement of water molecules from a high water potential to a low water potential. Diffusion is similar to this, however it is used to describe the movement of molecu...

Vu que j'habite assez près de mon école, j'y vais à pied chaque jour pour essayer de réduire mon usage de ma voiture. En plus, l'année dernière ma famille a installé des panneaux photovoltaïques sur le to...

The women were affected by the Nazis between the years 1933 and 1939. The Nazis encouraged women to have more children and larger families so that the population would grow. They nearly made a law that fa...