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This course builds introductory competency in biology by connecting cell structure and function to DNA-based inheritance, variation, and evolution. Core topics include prokaryotic vs eukaryotic organization; organelles and membranes; transport and homeostasis; ATP, respiration, and photosynthesis (survey level); DNA replication and the central dogma; mutations and gene regulation; mitosis, meiosis, and genetic variation; Mendelian genetics, pedigrees, and linkage mapping; and population genetics via Hardy–Weinberg. Emphasis is placed on evolutionary mechanisms, ecological context, and interpreting graphs, basic datasets, and experimental controls using light quantitative reasoning.