The cell is the basic unit of life The following is a

Last updated: 6/23/2023

The cell is the basic unit of life The following is a glossary of animal cell terms All cells are surrounded by a cell membrane The cell membrane is semipermeable allowing some substances to pass into the cell and blocking others It is composed of a double layer of phospholipids and embedded proteins Plant cells have an additional layer surrounding them called the cell wall The cell wall is made of nonliving material called cellulose The centrosome also called the microtubule organizing center is a small body located near the nucleus The centrosome is where microtubules are made During cell division mitosis the centrosome divides and the two parts move to opposite sides of the dividing cell The centriole is the dense center of the centrosome Only animal cells have centrosomes At what level of organization does life begin