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What is osmosis?

This involves water molecules which are transported from an area of high concentration to a low concentration. This transportation is termed diffusion. This would occur through a partially permeable membrane.
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Answered by Devina T. Biology tutor
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List some of the concerns around in utero genetic testing

There is a risk to the health of the fetus There is a risk to the health of the mother There is a risk that this could lead to an abortion/miscarriage There is a risk that it could lead to "designer bab...
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Answered by Jack C. Biology tutor
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Explain how the different dyes in ink are separated by chromatography

As the water (the solvent) moves up the paper it carries the ink with it, but the dyes in the ink are differently soluble in the solvent AND the dyes are differently attracted to the paper, therefore the dye...
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Answered by Jack C. Chemistry tutor
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What is the Bohr electron configuration of Oxygen? And further O2- ?

In order to assign O's e- configuration we need to find it on the periodic table. We can see it is on the 2nd period and in group 6 (also sometimes called 16). This means it fills 2 shells and has 6 valence ...
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Answered by Henry G. Chemistry tutor
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How does Shakespeare help us today?/Why does Shakespeare matter?

Shakespeare's work can be a useful tool to help us better understand some of the issues we face today in modern culture. This is because many of Shakespeare's characters remain remarkably relevant today. For...
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