A protein consists of 20 different amino acids linked head to tail by peptide bonds. The amino acids are arranged in a specific sequence in each particular protein. In order to accomplish this feat each cell must have: (1) cellular machinery by which the proteins are assembled; (2) informational mechanisms to designate the amino acid sequences; (3) enzymes and other factors to carry out the detailed assembly processes.
KeywordsGenetic Code Signal Recognition Particle tRNA Molecule Peptidyl Transferase Eukaryotic Ribosome
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