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Firstly, don't panic! These questions are always either a description of a process (so you can learn it off by heart), or an analysis of information that is given to you. Although it's not advisable to wr...

I like to approach this in 6 steps, but you could also draw this as a diagram if you find that more helpful. All the words in capital letters are needed to get the credit in an exam: 1)NADH and FADH are R...

B-cells and T-cells are both able to react to specific pathogens, but do this in different ways. B-cells produce antibodies that can bind to the pathogen. T-cells have a few functions: they can kill host ...

Evolution describes the divergence of species by natural selection. It is best to think of this at the level of the gene pool. The gene pool is all the genes contained within a population. The gene pool i...

The main difference is that in competitive inhibition, the inhibitor binds directly to the active site of the enzyme. This therefore prevents the substrate from binding to the enzyme and forming the enzym...