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...work within the body. There is an ‘energy currency’ is used by the body in the same way that society uses money, known as adenosine triphosphate or ATP. ATP is represented in Figure 2 and is synthesized when certain nutrients are catabolized by the body. You do not need to remember the structure of ATP, but do note the three phosphate groups (triphosphate) and the...

...work with maize (Zea mays), alternatively called corn (sweetcorn, or corn on the cob), which occurs throughout the world as an extremely important commercial crop plant, and which is used extensively in genetic research. We can also study the inheritance of characters at the level of the genotype. In this section we will jump between these two levels, and in so doing we...

...work? Before delving into that area, you will take a look at antibody classes because different antibody classes have different functions in immune defence. Recall the names of three different antibody classes and identify a distinguishing feature of one of these classes of antibody. IgG, IgM and IgA are the three main classes of antibody found in serum – the liquid...