Proteins
What are the roles of proteins?
Proteins are the most diverse class of substances in living organisms. They perform a large variety of functions. Some are displayed in the concept map below:
The image below is a protein called gramicidin, which is an antibiotic. It works by making a tunnel (check out its shape) through the cell membrane allowing the movement of substances that shouldn´t be allowed. This way they cause death of bacteria. The colour code is on the column on the left.
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