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What are some differences between RNA and DNA?
Structurally these molecules are very similar with a few differences. They are both made up of monomers called nucleotides. Nucleotides simply refer to nitrogenous bases, pentose sugar together with the phos...
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Vasiliki K.
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Biology tutor
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explain the powers of the prime minister in the UK
The Prime Minister has several powers within his jurisdiction, such as the power of patronage. This involves the appointment of judges and civil servants, which is important as it means they can decide over ...
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Rebecca S.
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Government and Politics tutor
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It is given that f(x)=(x^2 +9x)/((x-1)(x^2 +9)). (i) Express f(x) in partial fractions. (ii) Hence find the integral of f(x) with respect to x.
(i) Let f(x) = A/(x-1) + B/(x 2 +9). Multiplying through by (x-1)(x 2 +9) we get x 2 +9x = A(x 2 +9) + B(x-1). By substituting x=1 in to eliminate B, we find that A=1 , and by equating coefficients, B=9. Hen...
AC
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Amy C.
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Further Mathematics tutor
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What is artificial life?
Artificial life, also known as synthetic life, is life that is created from scratch. In order for it to be considered life, it should have a membrane which is capable of self-assembly and able to form compar...
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Biology tutor
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Explain the forces involved in a pendulum set up.
Just as the pendulum is released, the pendulum ball is at its maximum acceleration. The force due to gravity (weight) is acting vertically downwards, giving it a force component acting perpendicular to the s...
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Physics tutor
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