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Antibodies are made from 4 chains of peptides, two heavy chains and two light chains. There is also a constant region (Fc) and a variable region (Fab) which are used to bind to cells and antigens respecti...

Metals have a giant metallic structure, with regular closely packed layers of positive ions in a 'sea' of delocalised electrons. What this means is that metals have a large number of positive ions, in a r...

In their initial discussion of the character, Prospero admits to his daughter Miranda – and to an extent, to the audience - that Caliban “serves in offices that profit us” and therefore he and Miranda “ca...

The atomic radius is often defined as being one half the distance between the two nuclei in a homonucleur diatomic molecule. In general, there is a decrease in atomic radius as you go across a period. Thi...

92.5/100 x 6 = 5.557.5/100 x 7= 0.5255.55 + 0.525 = 6.075= 6.08 (2dp)