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Messenger RNA is produced via the process of transcription. DNA is transcribed into mRNA using RNA polymerase. First, the double helix structure of the DNA unravels, and the hydrogen bonds break between t...

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...