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The active site of an enzyme is complementary (meaning, it fits perfectly) to a substrate (in this can the substrate being maltose). Once the maltose and maltase combine to form the enzyme-substrate compl...

The first thing that they do is detect a stimulus, this could be a change in temperature or sensation, then once they have done this they convert this into an impulse, which is eventually sent back to the...

Enzymes and substrates share specificity in that an enzyme will only react with a specific substrate • This is because the active site is complementary in both shape and charge to a given substrate • The ...

DNA normally exists in the cell as a double-stranded structure, comprising of two complementary strands that are held together by hydrogen bonds.

DNA replication involves two main steps. Firstly, t...

There are 4 main structural levels of proteins which allow them to be the most diverse molecules in the cell. First is the primary structure which is the sequence of amino acids found in the protein. Amin...