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How does Meiosis increase variation?

In the first stage of Meiosis 1 - Prophase 1, after the chromosomes have coiled and condensed they ay touch each other at points known as chiasmata, and Crossing Over occurs. This is where genetic informatio...
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Answered by Bobbie C. Biology tutor
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How has stress been linked to addiction?

There have been many studies into this area. For example, in 2008, Driessen and his team found that 30% of drug addicts and 15% of alcoholics suffered from post-traumatic stress disorder. This shows a clear ...
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Answered by Bobbie C. Psychology tutor
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Prove e^(ix) = cos (x) + isin(x)

We first write each side of the equation using the maclaurin series for each function. e ix = 1 + ix + (ix) 2 /2! + (ix) 3 /3! + (ix) 4 /4! + ...... e ix = 1 + ix - x 2 /2! - ix 3 /3! + x 4 /4! + ..... cos(x...
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What is an extended metaphor and how do you build one?

First things first, a metaphor says that one thing literally is another. Some examples you may have heard before... 'raining cats and dogs', 'shooting the messenger', 'the Good Shepherd'. Even Shakespeare ha...
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Whats the best way to keep my Spanish sharp outside of school?

People rarely enjoy the idea of homework outside of the classroom, but there are ways you can keep your Spanish topped up with minimal effort, whether at home or on holiday. Firstly get into a habit of liste...
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Answered by Oliver M. Spanish tutor
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