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Muscle fibers are comprised of elongated myofibrils. A myofibril is made of repeating chains of sarcomeres which have no nucleus but have myosin and actin filaments which are able to slide past each other...

Metaphors and similes are easily confused! Both are methods of description that compare one thing to another. We find them all types of writing but most of all in poetry and fiction prose. A simile usin...

Utilitarianism is the ethical theory which argues that a morally good act is one that brings about the greatest pleasure or happiness for the greatest number of people. Jeremy Bentham devised 'Act Utilita...

First we can to start by making a sketch of the triangle since it may be easier to visualise the problem. Since the median of a triangle is a line that joins a vertex to the midpoint of the opposite side,...

An atom consists of three sub-atomic components; protons, neutrons and electrons. The nucleus contains protons and neutrons. Electrons orbit the nucleus. Protons have a positive charge, electrons have a n...