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This is an example of knowledge recall question with need for further explanation. It is therefore important to be able to explain yourself concisely and in the manner that the examiners expect to gain th...

Transcription is the first stage of protein synthesis. It involved the formation of primary mRNA. Transcription begins with a section of DNA within the nucleus unwinding using enzyme DNA helicase. This se...

Prey population size increases when there are enough resources available for food. When prey populations increase, the predator population size also increases, as this means there is more food available f...

Deoxygenated blood from the body flows into the right atrium via the vena cava. The right atrium contracts, forcing open the tricuspid valve. This allows...

Genetic engineering is a biotechnology technique where DNA from one organism is transferred to another organism. The reason we use this technique is so the organism that receives DNA becomes genet...