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Osmosis is the net movement of free water molecules from an area of high concentration to low concentration across a selectively permeable membrane. 

i) Square both sides of the expression to make x^2=(a-y)/b 

Multiply by b to remove the fraction from the equation and then rearrange to make y the subject.

bx^2=a-y --> y=a-bx^2

i...

Example question: _H₂O --> _O₂ + _H₂ First, work out how many of each element you have on each side. For example in this equation, Left: 2 hydrogen and 1 oxygen Right: ...

Aunque yo supiera la verdad, no te la podría contar.

If we analyze the second clause in the sentence, we notice that the verb poder is in the conditional tense. This implies that th...

First of all a nucelotide is the monomer that makes up DNA. Millions of monomers are joined together to form the double helix of a DNA molecule. A nucleotide is made of a pentose sugar (in the case of DNA...