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The alveolus is the terminal component of the lung. The efficiency of gas exchange across its wall and into the blood is dependent on several factors including; adequate ventilation, adequate blood supply an...

To fully understand how proteins are synthesised, we first need to understand the fundamentals of protein structure. If this is a concept you're comfortable with, feel free to skip this paragraph. Proteins c...

Both types of molecule contain glycerol, contain ester bonds and contain the elements carbon, hydrogen and oxygen (but phospholipids also contain phosphorus). The fatty acids contained in both types of molec...

If a mutation occurs in the section of DNA that is the tumour suppressor gene, and if this mutation changes the amino acid sequence that the gene codes for (in most cases, there is more than one codon per am...

What is transcription - The first step of protein synthesis occurring in the nucleus in eukaryotes. Conversion of DNA into RNA, allowing it to leave the nucleus (whilst retaining the genetic information) to ...