Which cell structure has this function in both eukaryotes & prokaryote

Which cell structure serves the stated function in both eukaryotic and prokaryotic cells?

A. Nucleus: stores genetic material
B. Cytoplasm: protects cell structures
C. Ribosomes: regulate cell processes
D. DNA: surrounds cell contents

Answer: C. Ribosomes: regulate cell processes

The cellular structure that performs this function in both eukaryotic and prokaryotic cells is the ribosome. Ribosomes are responsible for protein synthesis; they take genetic information and, through translation, create functional proteins that mediate different cell processes. In eukaryotic cells, ribosomes may either be freely floating in the cytoplasm, or they may be attached to the endoplasmic reticulum. In prokaryotic cells, there are free ribosomes distributed in the cytoplasm. Even in the presence of different structural, ribosomes in both eukaryotic and prokaryotic cells share the same role, to produce proteins. This makes ribosomes one of the structures absolutely essential for cell survival and function in all living organisms, and it exemplifies the acceptance and importance of ribosomes in biology.

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