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At rest, there is a potential difference across the cell surface membrane of -60mV maintained by sodium-potassium ion pumps which pump 3 Na+ ions out of the cell for e...

This questions allows itself to be discuss in varying different manners linked perfectly to the marking criteria of both a GCSE and A Level spec. The ambiguity of both "sense" and the abso...

The verbs "ser" and "estar" both mean "to be", but the difference between them is the permanence of what you're describing. "Ser" is used to describe things that ar...

firstly, animal cells and plant cells are both eukaryotic cells which means both cells have nuclear material within a nucleus. As well as this they will both have cell organelles such as mitochondria. And...

3 sections:Analysis: what happens to supply/demand as a result?Application: in detail, what drives these changes in supply/demandEvaluation: how likely are these effects? are there any time lags? w...