ANTH 101 Chapter 3: Chapter 3 Notes
Document Summary
3. 1 the cell: its role in reproducing life and producing variation. Cell is the basic unit of life for all organisms. Membranes enclose two main parts of individual cells. Houses one copy of nearly all dna of that organism. Covered by a nuclear membrane that keeps the contents of the nucleus separate from the rest of the cell. Semipermeable membrane surrounding the entire cell, separating one cell from the next. Semipermeable membrane surrounding the entire cell, separating one cell. Fluid that fills the cell and maintains the cell"s shape. Organelles are suspended in the cytoplasm, which can also store chemical substances. Number of mitochondria per cell varies by tissue type and by organism. Houses the genetic material of the prokaryotic cell. Prokaryotic cell has about one-thousandth the genetic material of a eukaryotic cell. Provides a rigid shape and controls the movement of molecules into and out of the cell.
