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Essays in biology? Right I wasnt the only surprised one when I first heard about it. The main concept is that these essay titles are diverse and can range from a whole multitude of topics. But why...
When a neurone is at rest, the outside of the neurone is more positive than the inside. This is due to the sodium-potassium pump which actively pumps 3 Na+ outside the cell, whilst at the same time pum...
Type 1 diabetes occurs when the immune system to fails to identify a group of cells in the pancreas called the beta islet of Langerhans cells as 'self' cells. This means that they are recognised as 'fo...
A mutation is a change in the base sequence of DNA. A mutation can be caused by a mistake during replication of DNA or by mutagenic agents. Mutagenic agents include chemicals that can act as bases or r...
Transcription is the process of making DNA into mRNA. DNA first has to be transcribed into messenger RNA (mRNA), this mRNA can then be translated into a protein (amino acids). DNA Polymerase (an enzyme...
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