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What is the difference between a virus and a bacteria? What is an example of each?

A virus is non-living and cannot be treated by antibiotics, they do not have a cell wall. Viruses are generally smaller and require a host to survive. A bacteria can be affected by antibiotics and can surviv...
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Answered by Thomas R. Biology tutor
17858 Views

Tim stretches by leaning against a pole that is 1.5 metres tall and at a right angle to the floor. Tim is standing 0.5 metres away from the pole, how tall is Tim; leaving your answer in terms of metres? (2.d.p)

This can be solved using Pythagoras. We know that the pole is 90 degrees to the floor so the height of the pole is the opposite side. The distance between Tim and the pole is therefore the adjacent and hence...
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Answered by Morgan S. Maths tutor
3801 Views

What happened during the Norman Conquest (1066) and why did it occur? (AQA Topic)

First, I would outline the political causes of the Norman Conquest; that Edward the Confessor died with no direct male heir and so multiple claimants arose to contest the succession. These included the great...
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Answered by Aaron W. History tutor
6284 Views

5x – 6 = 3x + 7

whenever you move a term across the equals sign, the sign changes. So first we are going to move all of the x terms onto the left side and all of the number terms onto the right side, remembering that if we ...
RC
Answered by Rebekah C. Maths tutor
5570 Views

Describe how the action of the mouth, oesophagus and stomach contributes towards the digestion of food? (6 Marks)

As this question is worth 6 marks, 6 different points need to be made to get all the marks. These could be two from each structure that is given. The teeth in the mouth break down food into smaller pieces (1...
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Answered by Charlotte M. Biology tutor
12575 Views