Final answer:
DNA is not a component of the translation machinery, which includes mRNA, ribosomes, tRNA, and enzymatic factors.
Step-by-step explanation:
Among the given options, DNA is NOT a component of the translation machinery. The process of translation specifically involves the following components: mRNA, ribosomes, tRNA, and various enzymatic factors. The mRNA serves as a template for encoding the protein sequence, the ribosomes facilitate the assembly of amino acids into proteins, and the tRNA molecules carry amino acids to the ribosomes and match them to the encoded mRNA sequence. DNA, while crucial for storing genetic information and transcribing mRNA, is not directly involved in the translation process.