BSC 300 Lecture Notes - Lecture 1: Antonie Van Leeuwenhoek, George Otto Gey, Henrietta Lacks
10 Apr 2016
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Bsc 300 lecture 1- introduction to the study of cell and molecular biology. Exploring the similarities and differences in cellular activities establishes unifying themes. Robert hooke discovered cells in the 17th century. Anton van leeuwenhoek refined the lens; saw a miniature world of single cell organisms. The cell theory was articulated in the mid-1800s by schleiden, schwann, virchow and. Remak: all organisms are composed of one or more cell, the cell is the structural unit of life, cells arise from pre-existing cells by division. Life is the most basic property of cells. Cells can grow and reproduce in culture for extended periods. Hela: cultured tumor cells isolated from cancer patient henrietta lacks by george gey in 1951. Cultured cells an essential tool for cell biologists. Cells from different species share similar structure, composition and metabolic features that have been conserved throughout evolution. Cells possess a genetic program and the means to use it.
