The 1665â66 epidemic was on a far smaller scale than the earlier Black Death pandemic; it was remembered afterwards as the great plague mainly because it was the last widespread outbreak of bubonic plague in England during the 400-year timespan of the Second Pandemic.
Proteins can also be very important in communication in the body â insulin, for example, is a protein. In fact, if you take away the water, 75% of our bodies are protein. All of these proteins require the right amino acids found in our bodies and our diets to be made. Can't make amino acids.
Amino Acid Basics. Amino acids can be used to produce energy, but their primary job is building proteins. Some amino acids also fill non-protein-building roles, such as forming neurotransmitters and hormones. The 20 amino acids have different chemical structures that dictate how theyâre used.