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The steps are as follows:The desired gene is isolated by 'cutting' it out using a restriction enzyme. The same restriction enzyme is then used to 'cut' a vector (plasmid or virus). These can either be lef...

Often students find the narrative choice in the 40 Mark question to be preferable. However it is possible that the exam will feature a choice between 2 descriptive questions, (therefore omitting a narrati...

Simple harmonic motion is periodic motion in which a restoring force acts in the opposite direction to that of displacement and is directly proportional to the displacement.The displacement-time graph for...

An adjective is a word that describes a noun, such as sweet, yellow and delicious. In French, adjectives agree in number and gender with the noun or pronoun they qualify.Unlike in Englis...

To have capacity one must be able to understand the information, retain it, weigh it up and communicate a decision. Lack of capacity can be a temporary or permanent disturbance to the brain/mind and can b...