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Begin with an introduction establishing the question you are answering (including defining any of the terms that you will be focusing on) and what your main argument will be when addressing it. Think of t...

Biconcave shape- Increases the surface area of the red blood cell, meaning there is a greater surface over which diffusion of the gases being exchanged can occur (CO2/ O2).No nucleus- Allows red blood cel...

Exams such as GCSEs and A-Levels are all about ticking off boxes and jumping through hoops. The English education system is designed in such a way that it is best to approach English exams in regard to th...

Protein synthesis consists of two stages- transcription and translation. Transcription takes place in the nucleus- this is where a strand of mRNA is formed. A section of DNA is unwound by...

An empirical formula is the simplest whole number ratio of atoms of each element present in the compound.1) Divide by atomic relative mass to find the number of moles. 2) Find a ratio between the moles. 3...