The right answer here is d. Ribosomes.
Protein synthesis is a function of all cellular life, and all creatures in all three domains of life have ribosomes, which are the structures in charge of this process. In contrast, the structural makeup of the ribosomes in the three domains varies.
What are ribosomes?
Ribosomes, also known as Palade granules, are macromolecular entities that are present in all cells and are responsible for the creation of biological proteins. To create polypeptide chains, ribosomes assemble amino acids according to the codons found on messenger RNA molecules. Even though they are the same size, bacterial and archaeal ribosomes differ in terms of their proteins and rRNA molecules, and the archaeal versions resemble their eukaryotic rather than bacterial counterparts more.
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