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1. When an action potential arrives at the motor end plate it causes depolarisation to occur in the sarcolemma of the effector muscle cells.2) Depolar...

inhibitor is a similar shape to the substrate
this means the inhibitor blocks the active site of the enzyme
the substrate cannot bind to the active site, so fewer enzyme substrate complexes can ...

ProphaseThe nuclear envelope breaks down exposing the chromatin The chromatin supercoils into chromosomes - can be viewed under the microscopeSpindles starts to form

Ventilation of the lungs is a mechanism designed to maintain a high concentration of oxygen present in the alveoli. Blood is delivered to the lungs from the heart deoxygenated, meaning the majority of hae...

Glycogen is an energy storage molecule found in animal cells. It can be found in many different animal cells but is more prevalent in cells with a higher metabolic rate (those which use more energy), such...