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‘The downfall of Tsar Nicholas II in February/March 1917 was due to popular discontent with the tsarist regime.’

'Let those in power make no mistake about the mood of the people… never were the Russian people… so profoundly revolutionised by the actions of the government, for day by day, faith in the government is stea...
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Answered by Ann-Marie D. • History tutor
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Find out the stationary points of the function f(x)=x^2*e^(-2x)

Using the product rule (u'v+v'u, where u and v are the chosen substitutes) to find the first derivative will be dy/dx=x'=2x e^(-2x)+x^(2)e^(-2x) (-2)=2x e^(-2x) (x-x^2). This will give the details about the ...
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Answered by Bilkan I. • Maths tutor
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What enzymes are used in the process of DNA replication and what are they used for?

The two enzymes used in DNA replication are DNA helicase and DNA polymerase.The DNA helicase is used to break the hydrogen bonds between the two DNA strands so that the strands can unzip. After free nucleoti...
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Answered by Seraphima G. • Biology tutor
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What do you form when methanol reacts with butanoic acid?

Esters occur naturally but they can be made in the laboratory by reacting an alcohol with an organic acid . A little sulfuric acid is needed as a catalyst .The general word equation for the reaction is: alco...
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Answered by Grace W. • Chemistry tutor
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What makes a good personal statement?

When it comes to personal statements, the secret is inherent in the name itself - that it is personal. A personal statement should demonstrate your personal reasons and motivations for studying a particular ...
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