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Here we use the ratios given to calculate the answer. First we sum add 7 and 4 to find total parts. 7 + 4 = 11. Then we divide 88 by 11. 88/11 = 8.This means we know that each part in the given ratio is 8...

It's important to take a few minutes to quickly plan your argument in response to a particular question. You do not want to waste too much writing time doing this, but it is crucial to have a rou...

...solid is a pure substance or a mixture.
Firstly, she would need to plot a graph of temperature against time. Temperature remains constant at the melting point. The graph will show whether the sol...

Alterations to tumour suppressor genes such as their increased methylation, mutation in the genes, or an instance where the tumour suppressor genes are not being transcribed or expressed, results in rapid...

An enzyme is a protein that functions as a biological catalyst by speeding up chemical reactions and remaining unchanged by the reaction. The place on an enzyme where the molecule binds is called the acti...