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A stimulus causes a small influx of sodium ions into the cell, leading the cell to become more depolarised or more positive. If this reaches the threshold potential, of about -55 mV, then it will initiate...

Both "The Handmaid's Tale" and "1984" are dystopian novels set in the near-future. The characters in each novel are subject to extreme supervision and control by the governments in pow...

The interview is a 15 minute panel interview with 4 or 5 interviewers.They will ask the generic questions of why you want to study medicine and why you want to come to this specific university - so make s...

Enzymes are biological catalysts, which means that they increase the rate of a specific reaction by lowing the required activation energy.
The lock and key hypothesis explains how the substrate (key)...

( sec²(x))/((sec(x)+1)(sec(x)-1))Then, by the rule of 'difference of two squares', we know that this equals= (sec²(x))/(sec²(x)-1)= (sec²x/tan²x)s...