Cell Biology: Life Functions (1965)

The film discusses the fundamental processes of cell biology, focusing on how cells grow, reproduce, and perform essential life functions through chemical reactions. It explains the distinction between living organisms and non-living things, emphasizing the importance of cell structure and the role of molecules in life processes. Key concepts include diffusion, osmosis, and active transport, which allow cells to obtain nutrients and expel waste. The film also covers the significance of proteins, carbohydrates, and fats in energy production, and details the biochemical processes of hydrolysis and oxidation that release energy. Additionally, it highlights the crucial roles of enzymes and nucleic acids (DNA and RNA) in synthesizing proteins and regulating cellular functions. Ultimately, the interplay of these processes underpins the ability of cells to sustain life.

Keywords
cell biology, life functions, diffusion, osmosis, active transport, enzymes, DNA, RNA, energy production, hydrolysis, oxidation, nutrients, cell structure

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