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Explain the processes of translocation and transpiration in plants (6 marks)

Transpiration is the upward movement of water from the root to the cell. This happens in the xylem which is made of lignified cells. The flow is only in one direction and the movement of water is created ...

Answered by Zoe S. • Biology tutor

25701 Views

How should I structure an essay on an unseen prose extract?

You should begin by reading the extract a couple of times. Afterwards you should read it through again but this time you could attempt to annotate the extract whilst thinking about the form, structure and...

Answered by Flora L. • English Literature tutor

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Outline the structure of the personality according to the psychodynamic approach (4 marks)

According to psychodynamic approaches, the personality is made up of three main components. The id is focuses on the self and an individual's core needs. It is often thought to be mainly concerned with se...

Answered by Charlotte H. • Psychology tutor

4596 Views

Solve the simultaneous equations, x^2+y^2=41, and y=2x-3

STEP 1) First, substitute 2x-3 into the quadratic equation, replacing y, which works out as x²+(2x-3)²=41STEP 2) Now, expand the bracket, (2x-3)

Answered by Hannah N. • Maths tutor

5486 Views

The line y = 3x-4 intersects the curve y = x^2 - a, where a is an unknown constant number. Find all possible values of a.

For the line and the curve to intersect we need the for the following system of equations to have a solution. y = 3x AND y = x² - aThe solutio...

Answered by Hasnat K. • Further Mathematics tutor

2984 Views