Why do cells divide? Cell division happens in all organisms. reproduction growth or repair
Why do cells divide? In unicellular organisms, cell division is important for reproduction. To create another organism, they just divide into two. Important fact
Why do cells divide? In multicellular organisms, cells divide to allow the organisms to grow, repair or replace cells. Important fact
cell cycle – the life cycle of a eukaryotic cell. vocabulary word! Cells have a life span. They live and die like any living thing. To grow and remain healthy, cells need to divide and replace themselves frequently.
The Cell Cycle The cell cycle has three phases: interphase mitosis cytokinesis Important fact
interphase interphase – part of the cell cycle when it is not dividing. This is when the cell is performing its job for the organism. At the end of interphase, DNA makes a copy of itself. A cell spends 95% of it’s life cycle in interphase. Important fact vocabulary word!
DNA DNA is a molecule that determines the traits of a living organism. It makes us who we are. Important fact
DNA replication During interphase, right before mitosis, the DNA makes an exact copy of itself. Important fact