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What is the process by which cells produce proteins?

  1. Fermentation

  2. Replication

  3. Transcription

  4. Translation

The correct answer is: Translation

The process by which cells produce proteins is called translation. Fermentation, replication, and transcription are all different biological processes that do not involve the production of proteins. Fermentation is the process by which microorganisms break down sugar molecules to produce energy. Replication is the process by which cells copy their genetic material. Transcription is the process by which cells convert DNA into RNA. Only translation involves the actual production of proteins from the instructions carried by RNA. Therefore, the correct answer is D.