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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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The line L has equation y=5-2x. Find an equation of the line perpendicular to L, which passes through the point P (3,-1).

The gradient of the line L is -2 so the gradient of the line perpendicular to L will be the negative reciprocal of -2 which is 1/2.The equation of the line perpendicular to L will be y=mx+c where m is the gr...
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Answered by Katie N. • Maths tutor
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Choisissez la bonne conjugasion da la phrase suivante;

Bien qu'elle soit certaine de les avoir faits, le professeur ne croit pas que Sophie; a fait ses devoirs fait ses devoirs ait fait ses devoirs
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Answered by Glen O. • French tutor
2595 Views

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
2929 Views

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
8325 Views