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Proton or ¹H NMR can look complicated but with practice; there are techniques that can make the peak assignment a little easier.1. Make sure you count the proton environments correctly, if the ...

A stationary point simply means a point in a curve where the gradient is equal to 0.For example, in the June 2015 C3 Paper it is asked:Find the exact values of the coordinates of the stationary points of ...

When first looking at a poem, being by identifying the main themes of the poem. Then identify key devices used in order to convey the theme and the message the poet wanted to portray to the reader (e.g...

DNA is a double helix. Consisting of two strands, which are made up of bases A T C and G

Complementary base pairing occ...

ATP is responsible for cocking (pulling back) the myosin head, ready for another cycle. When it binds to the myosin head, it causes the cross bridge between actin and ...