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A main weakness of animal studies is that animals have a different physiology to humans. This means that any studies on animals cannot be accurately related to humans, making them invalid. For example, hu...

Use the easy to remember acronym ITEEAL - idea, theorist, example, explain, analyse and link. Let's take an example A - level Sociology families and household 10 marker , 'Outline and briefly explain two ...

1. Factorisation: x² - 5x + 6 = (x - 2)(x - 3) This method is the quickest to perform if the roots are simple but does rely on a bit of trial and error. The method lets you find the roots of...

DNA helicase breaks the hydrogen bonds that bind the two strands of the DNA double helix.Free nucleotide complementary base pairs are added to the newly exposed single strands of DNA.Binding of the free n...

Interesting topic with regards to COVID-19A vaccine introduces a foreign pathogen into the body. This foreign body stimulates the innate immune response which occurs regardless. The process of phagocytosi...