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...Care must be taken with either method: the ends of a length may fall between the marks on the ruler, or the grid lines may not be equally spaced. Example 1 Below is a scale plan of a bathroom. Answer the questions listed below the plan. You might want to show the ruler and then drag it to make your measurements. The background squares show the length representing 1 m....

...adult by digesting and metabolising food and drink. The parents in each case pass to their progeny, or offspring, the information and specification for building cells from materials around them. This information lies in the genetic material, or DNA, which is found in the chromosomes within the nucleus and which is transmitted from generation to generation. Chromosomes can...

...care must be taken about when the lupulone is added to the boil. If added too early, it simply evaporates and the flavour is lost. [This shows the chemical structure of a beta acid known as lupulone.] Figure 4 Lupulone Look carefully at the structures of both components of the hops. Do you recognise a particular functional group? Both humulone and lupulone contain the...