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Firstly, I advise that you spend a minimum of 40 minutes on this section. This will allow you enough time to make sure that you have answered all other questions and also give you time to plan and write y...

Let's say you have a bowl of water and you separate it into two compartments with a partially permeable membrane. This membrane does not allow proteins to pass through but it allows water to diffuse freel...

Transcription and translation are both processes that are involved in converting nuclear DNA into proteins in eukaryotes, but they have two diifferent jobs. 1) Transcription The DN...

They squeeze through the walls of blood capillaries, moving through tissues to reach the site of infection. Phagocytes ingest pathogens by endocytosis (phagocytosis), a non-specific immunity, which doesn'...

Arteries carry bloock away from the heart, towards bodyily tissues. They have thick walls to withstand high pressures, a narrow lumen to maintain high pressures and a thick layer of elastic fibre...