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Questions such as these are looking for the student to provide an example from their historical education and demonstrate an ability to support theories and ideas with examples. They are most commonly fou...

Step 1: Put all the surds in to the form a√2. Starting with √98 try and work out what numbers multiply together with 2 to get 98 (2x49). Therefore √98=√(2x49). As 49 is a square number yo...

Action potentials are only initiated when depolarization above a certain level occurs, this level is known as the 'threshold potential'. 'Vm' is the resting membrane potential (voltage) and the depolarizi...

A virus is a pathogen which contains antigens on its cell surface. These antigens are detected and digested by macrophages. The two pathways involved in the detected and elimination of the virus is the ce...

The structure of plant and animal cells is generally similar since they are both eukaryotic cells. They contain many of the same organelles including but not limited to the nucleus, mitochondria and the e...