Protein Synthesis
Proteins are widely used in cells to serve diverse functions. Some proteins
provide the structural support for cells while others act as enzymes to catalyze
certain reactions. We have already seen the roles that different enzymes play in
building the cell's structure and in catalyzing metabolic reactions, but where
do proteins come from?
Since the beginning of evolution, cells have developed the ability to
synthesize proteins. They can produce new proteins either for reproduction or to
simply replace a degraded one. To manufacture proteins, cells follow a very
systematic procedure that first transcribes DNA into mRNA and then translates
the mRNA into chains of amino acids. The amino acid chain then folds into
specific proteins.

Please click below to find out more about each of the steps involved in
protein synthesis.
Step 1: DNA Transcription
Step 2: RNA Translation
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