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How do I approach primary source evaluation at A-level?

Analysis of primary sources can often seem daunting, especially with Early Modern topics where the language can be difficult to understand. Breaking the analysis down into sections can make it easier – we...

Answered by Hannah B. • History tutor

5123 Views

Explain what is meant by epigenetics and how it can inhibit transcription.

Epigenetics is the process by which heritable changes in gene function are caused by environmental factors. These changes are not within the base sequence of our DNA but are in fact due to the chemical ta...

Answered by Emily T. • Biology tutor

5815 Views

Discuss the varying patterns of migration into the UK since the end of the second world war.

There are different components to this question:
Migration into the UK continues to change on a consistent basis. In the past, following the end of the war this saw an influx of families on a large ...

Answered by Akul P. • Geography tutor

2028 Views

During take-off from earth, an astronaut of mass 76kg has an area of contact with his seat of 0.095m^2. Calculate the average pressure on the seat when the upward acceleration of the rocket is 47ms^-2

There are two parts to this question that we should consider seperately:
Firstly, we need to work out the total thrust force that is being applied through the seat onto the astronaut. Critically, thi...

Answered by Oliver N. • Physics tutor

2079 Views

Find, using calculus, the x coordinate of the turning point of the curve with equation y=e^3x cos 4

1st step: find the derivative dy/dx of the given equation2nd step: now equate the obtained derivative to 0 because this is precisely the situation in which the graph changes direction (the derivative dy/d...

Answered by Urszula W. • Maths tutor

4292 Views