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Cellular Biology focuses on the study of cell structure and function, including how cells grow, divide, and die. It explores the biochemical and physiological properties of cells, as well as their interactions with their environment. In the context of genetics and evolution, cellular biology investigates how genetic information is transmitted and expressed within cells, and how cells evolve over time through processes like natural selection and mutation. This field also encompasses the study of cellular organelles, membranes, and signaling pathways, providing a foundational understanding for many areas of biological research.