Search over 10,000 free study notes

so we know that A+B+C= 72. We also know that B=2A (1) and C=3B which means C=6A (2) and with this information we can re arrange to equation to be only have one variable. so A+2A+6A= 72 Collecting all the ...

GCSE Answer: The nucleus functions to store and protect the DNA within a cellA-Level Answer: The nucleus is where the DNA of a cell is stored. It is the site of transcription, where the DNA is converted t...

In general, pupils from a working class background tend to achieve lower grades than those from a middle-class background.This may be because working class children do not have the same resources as middl...

First, lets look at the definition of post-medium. It is not 'after' medium as we might initially assume, but instead the breakdown of media. Traditionally we have 3 catagories of medium; drawing, paintin...

Flat 6-membered ring with 6 carbons. Each carbon in bonded two 1 hydrogen and 2 other carbons. Because a carbon must always have 4 bonds, there is a delocalised fourth electron on each carbon, which moves...