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Explain two consequences of the Fall of the Berlin Wall.

One consequence was that families that had been separated could meet each other again. This was because after the construction of the Berlin Wall in 1961 the East and West of Berlin were separated by the wal...
JA
Answered by Jen A. • History tutor
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What is the difference between active transport and diffusion.

Diffusion is the passive (does not require energy input) movement of a substance down a concentration gradient from an area of high concentration to an area of low concentration . Eg how the colour and flavo...
NG
Answered by Nicholas G. • Biology tutor
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Calculate the percentage of Copper in Copper oxide (CuO, Mr=80). (3 marks)

Ar of Cu = 64 (1 mark) Percentage of copper in CuO = 64/80 x100 (1 Mark) Percentage of copper in CuO = 80% (1 mark)
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Answered by Katie D. • Chemistry tutor
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Describe how a sperm cell is adapted to its role (4 marks).

The role of a sperm cell is to fertilise an egg cell and pass on genetic material. The nucleus of the sperm cell contains the male genetic material/DNA. The head of the sperm cell contains many mitochondria ...
KD
Answered by Katie D. • Biology tutor
12393 Views

Where should I start when answering a question that involves an extract from the text?

Before even getting to the question, have a read through of the extract to make sure you fully understand what is happening at this point in the text. Then look at the question and highlight the key theme or...
TD
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