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Explain why, when a reversible reaction reaches equilibrium, the reaction appears to have stopped.

The forward and backwards reaction have the same rate so there is no overall change in the quantity of reactants and products.

AO
10571 Views

Explain the importance of accessory pigments in photosynthesis.

Accessory pigments, such as carotenoids and xanthrophylls, increase the rate of photosynthesis by increasing the efficiency of light absorption in both photosystem I and II, specifically in the light harv...

FW
Answered by Finley W. Biology tutor
17694 Views

Explain the view on beauty and morality that Oscar Wilde provides in 'The Picture of Dorian Gray'.

The Picture of Dorian Gray is highly allegorical and perfectly summaries the Aesthetic theories about the purpose of life which is only found in the pursuit of pleasure and beauty. Dorian realize...


What is Polymerase Chain Reaction?

Polymerase Chain Reaction (PCR) is a method of DNA amplification. This method utilises complementary primers which target a fragment of interest within DNA. It is made up of cycles of repeated heating and...

WW
Answered by Weronika W. Biology tutor
1009 Views

The cubic polynomial f(x) is defined by f(x) = 2x^3 -7x^2 + 2x + 3. Given that (x-3) is a factor of f(x), express f(x) in factorised form.

f(x) = (x-3)(2x^2 - x - 1)f(x) = (x-3)(2x +1)(x-1)x = 3, -1/2, 1 are roots of the cubic equation.

OM
Answered by Oliver M. Maths tutor
8163 Views

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