Search over 10,000 free study notes

Mitosis is asexual reproduction that produces 2 identical daughter cells via 1 cell division, whereas meiosis is sexual reproduction that produces 4 non-identical gametes via 2 cell divisions. Meiosis occ...

Halogens are electronegative than the adjacent carbon atoms in haloalkanes.Therefore they have a tendency to attract the pair of electrons in a covalent bond, forming a polar bond.The carbon becomes elect...

Using critics in essays can be a daunting step up from GCSE to A-level English but it's easy when you know how, and if you follow these steps you'll miss the most common mistakes people make.Firstly, make...

We are looking for a sum of numbers- this means that both numbers have to be less than 30. Start by writing down all prime numbers less than 30: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29. Do you see any two numb...

Observe neither x=7 or x=(-4) are solutionsMultiply through by (x-7), x + 6(x-7)/(x+4) = (x-7)Subtract x, 6(x-7)/(x+4) = -7Multiply through by (x+4), 6(x-7) = -7(x+4)Therefore, 6x - 42 = -7x - 28Rearrang...