This unit explores the fundamental concepts of biology, emphasizing the characteristics of life, the scientific method, and the development of cell theory. It distinguishes between prokaryotic and eukaryotic cells, details the structure and function of major organelles, and discusses the hierarchical organization of living systems, as well as the importance of microscopy in biological studies.
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Term: Biology
Definition: The scientific study of life and living organisms, encompassing various branches such as zoology, botany, and microbiology.
Term: Cell Theory
Definition: A fundamental principle in biology stating that all living organisms are composed of cells, the cell is the basic unit of life, and all cells arise from pre-existing cells.
Term: Prokaryotic Cells
Definition: Simplest forms of life, characterized by the absence of a true nucleus and membrane-bound organelles.
Term: Eukaryotic Cells
Definition: More complex cells that contain a true, membrane-bound nucleus and membrane-bound organelles.
Term: Microscopy
Definition: The use of microscopes to visualize structures too small to be seen with the naked eye, enhancing our understanding of cellular biology.