Acer executives promote the company's new BYOC strategy. Acer CEO Jason Chen is on far left. Acer Chairman Stan Shih is second to the left. Although the new cloud apps are free, the company wants to include extra features users can choose to pay for.
All proteins are made up of combinations of 20 different amino acids. The RNA code (like DNA) is written in just four different chemical 'letters' - bases. How can a code with four letters identify 20 different amino acids? By reading it three letters at a time - CAU, CAG, GGA, etc.
Main protein structures levels. Imagine proteins as machines; machines which make all living things, from viruses, bacteria, butterflies, jellyfish, plants and humans function. The human body is made up of approximately 100 trillion cells-each one has a specific function. Each cell has thousands of different proteins, which together make the cell do its job-the proteins are tiny machines within the cell.