Translational efficiency or Translation efficiency, in the context of cell biology, is the rate of mRNA translation into proteins within cells.

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What is the meaning of 'translation' in this sentence? Does it mean #1 or #2?
1. the rendering of something into another language or into one's own from another language.
2. change or conversion to another form, appearance, etc.; transformation:
a swift translation of thought into action.

In the context of cell biology, the term 'translation' refers to meaning #2: change or conversion to another form, appearance, etc.; transformation. It is not referring to the rendering of something into another language. In this context, 'translation' specifically refers to the process by which genetic information encoded in mRNA is converted into a protein. This process occurs in cells and involves the ribosomes reading the mRNA sequence and using it as a template to synthesize a corresponding protein sequence. So, in the context of translational efficiency, it refers to the rate at which this conversion occurs, or how efficiently mRNA is translated into proteins within cells.