Given a text passage, come up with an appropriate title for it. The title should accurately represent what the main focus of the passage is. The title of a passage may be present in the first few sentences of the passage and/or be referred to multiple times in the passage. The title should be 1-5 words long.

Protein synthesis is the process whereby biological cells generate new proteins ; it is balanced by the loss of cellular proteins via degradation or export . Translation , the assembly of amino acids by ribosomes , is an essential part of the biosynthetic pathway , along with generation of messenger RNA ( mRNA ) , aminoacylation of transfer RNA ( tRNA ) , co-translational transport , and post-translational modification . Protein biosynthesis is strictly regulated at multiple steps . They are principally during transcription ( phenomena of RNA synthesis from DNA template ) and translation ( phenomena of amino acid assembly from RNA ) .
Protein biosynthesis