Search over 10,000 free study notes

The mass number defines the number of protons and neutrons in an atom. The atomic number shows the number of protons in an atom (nucleus). Because there is the same number of protons as e...

This question is an example of simultaneous equations. It's very important to show your working on this question otherwise you won't get any marks, even if you get the right answer! All simultaneous quest...

The price elasticity of demand (PED) measures the responsiveness of demand to a change in price. It is calculated by dividing the percentage change in quantity demand by the percentage change in price. Pr...

Competitive inhibitors have a similar shape to the substrate and they compete with the substrate to bind to the enzymes active site. When they bind to the active site, they block the substrate from bindin...

The work done by a force on a particle is: Work done = Force x Displacement.The energy of a particle is given by the sum of its potential and kinetic energies.As the particle does not gain or lose any hei...