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Simultaneous equations can be solved either by substitution or elimination. Solving this by elimination:2x - 3y + 4 = 0 (1)x - 2y + 1 = 0 (2)To eliminate x, we can multiply both sides of the second equati...

There are three ways that the cells produced in meiosis are different from each other and from the parent cells:1) Independent assortment: this is the idea that during metaphase 1 and 2 pairs of homologou...

Medical schools love it if you have work experience in a hospital, a GP and regular voluntary work (care home etc). In order to sort these out, email people with your CV and a cover letter and they will l...

Either both blue or both red. 'OR' rule - add probabilities.Blue - first blue and second blue - 'AND' rule - multiply probabilities. 3/8 x 2/7 (as not replaced) = 6/56 = 3/28 (multiply top and bottom)Red ...

Blood glucose must be regulated, normal blood glucose for a non-diabetic person is 4.0-5.9mmol. A low blood glucose (sugar) is harmful and a high blood can indicate diabetes. the pancreas and liver and cr...