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Due to this only being a 4 mark question, there is no need to include a lot of waffle. There are two marks for each explanation. Procedural memory is part of the long-term memory, this is responsible for ...

First, draw out both molecules as this will make the comparison much easier. Count the number of different hydrogen environments in each molecule to determine the number of H-NMR peaks. Count the number o...

There are three main types of T cell. T helper (CD4+), T killer (CD8+) and T memory. The CD4+/8+ are complex proteins on the surface of each respective T cell that they use in their function. T helper cel...

By definition, dn/dt = - λ N ,
If you separate the variables which contain N and t, and then integrate w.r.t N and w.r.t t you get,
lnN = -λt + C (1),
...

The phospholipid bilayer is the main component of the plasma membrane. Phospolipids consist of two parts with different properties. One part is often referred to as 'head' or 'water-loving', which is hydr...