Presentation on theme: "Anatomy Unit 4: Cell Theory & Cellular Structures"— Presentation transcript:
1 Anatomy Unit 4: Cell Theory & Cellular Structures
2 Cell TheoryTerm “cell” was coined in 1665 by Robert Hooke when he looked at a slice of dried cork. He also observed that:All living things are comprised of cells.Cells are the smallest “living” unit in an organisms.Cells come from previously existing cells.
21 Nucleus Control center of cell Contains DNA/chromosomes Genetic repository for ~ 35,000 genesGenes control the synthesis of proteins in each cell.Red blood cells don’t have a nucleus.Skeletal muscle cells have multiple nuclei.