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The sliding filament mechanism is a model used to show the way in which muscles contract. It involved 3 components - Myosin, Actin and Tropomyosin. Myosin has a head like projection to which an ADP molecu...

First of all, I would ask the student what they think the question means and whether they have encountered a question like this before, so that I know where to start from. If the student is more of a visu...

When I took Paper 2, I found the easiest way of learning lines of poetry was to initially assign the poem to a few themes (for example: 'coming of age'), or think of a few keywords that could be used to d...

It is important to note that the IB syllabus expects the students to understand that "The myelination of nerve fibres allows for saltatory conduction." What this essentially mea...

In spanish, there is a very big difference between those two words. Eventough they are both conectors, usually helpful to explain why someone did something or something happened, but their meaning differs...