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mRNA is used during translation to form polypeptides. Describe how mRNA is produced in the nucleus of a cell. (6)

The first step in biology is always to make sure you understand and always use specialist biological terms - it's often said you almost learn more vocab in biology A level than you do in French, and if I had...
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Answered by Omar E. • Biology tutor
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How does an increase in investment affect the economy?

Define what investment is: spending by firms on capital goods (eg. machinery). Then analyse the effect of the change in the question: Investment is component of the equation Y=C+I+G+NXIncreasing investment t...
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Answered by Ellie C. • Economics tutor
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How do you find stationary points of an equation, eg. y=x^2+3x+2

Stationary points of an equation are found where the gradient of the tangent at this point equals zero. A diagram can illustrate this. To find them differentiate the given equation (which gives the gradient)...
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Answered by Ellie C. • Maths tutor
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Solve the equation 3x + 1 = 4x - 2

In order to tackle this equation, we have to keep in mind that whatever we do to one side of the equation we have to do to the other. Our aim is going to be to get all of the x's together on one side of the ...
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Answered by Codie W. • Maths tutor
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Assuming 100% yield, calculate the maximum volume of ammonia that could be produced from 1200dm3 of hydrogen, measured at room temp and pressure.

Okay so first always write out the equation...N 2 (g) + 3H 2 (g) ⇌ 2NH 3 (g)Now we need to ask ourselves what equations we know are relevant to the question. The question gives us a volume and states the con...
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Answered by Emma B. • Chemistry tutor
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