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Enzymes are proteins that catalyze nearly all reactions that go on in your body that would otherwise be too slow for survival. The substances or molecules that enzymes ca...

This question is worth 25 marks in total; 10 for correct use and variety of language, 10 for content and message and 5 for text type conventions. This means that you can get 5 marks by adapting your writi...

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...

I always structure my essay into three thematic paragraphs (excluding an introduction and conclusion) using at least two poets I have studied and referencing at least three poems by each poet. For example...