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These two processes can often be confused very easily. To begin with both processes are based on the principle of molecules moving from an area of high concentration to an area of lower concentration. Wit...

So the muscle is made up of 2 muscle filaments, a thick filament called myosin and a thin one actin. This can be remembered by actin having 2 syllables which is less than myosin which has 3 so actin is th...

For a question like this it is very useful to draw a diagram of the cycle linking to where it occurs to aid visual learning and retention of each stage. For example, I like to teach this by showing the cy...

The purpose of the cell membrane is to make the cell into a closed compartment that is separate from the extracellular (outside) environment. It also works as a selective barrier that can allow the import...

Active immunity involves your bodies direct response to an unknown pathogen. This response is the production of antibodies specific to the antigen of a particular pathogen. This type of immunity is not im...