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Eutrophication is the process of artificially increasing the mineral content of water as a result of nitrogen-containing fertilisers, especially nitrates, leaching from agricultural land. The nitrates and ph...

As birds are a motile organism, we would use the mark-release-recapture method. First, capture a sample of individuals (possibly through mist netting), mark them (e.g. a wing tag or leg ring) and release. Th...

Defining 'translation' as the process of protein synthesis where an mRNA sequence produced in DNA transcription is translated into an amino acid sequence (polypeptide) Translation can be subdivided into 4 st...

Enzyme inhibitors are substances that alter the catalytic action of an enzyme. There are two types of inhibitors: competitive and non-competitive. Competitive inhibitors bind at the active site of an enzyme ...

Calcium ions diffuse from the sarcoplasmic reticulum and bind to troponin. This binding to troponin causes tropomyosin- which at rest blocks the actin-myosin binding sites- moves to expose these binding site...