Flashcards in Mitosis Deck (12)
What are the three components of the cell theory?
• living things are made up of cells
• new cells come from preexisting cells
• cells are the basic unit of living things
What is mitosis?
Type of cell division that results in two identical daughter cells
Why does mitosis occur? (4 reasons)
• healing injuries
• replace old cells
What are chromosomes?
Thread-like structures found in the nucleus. They are made of DNA.
What is the cell cycle and what are the 4 parts of it?
Life cycle of the cell
• G1 — cell growth
• S — DNA replication
• G2 — prep for mitosis
• M — Mitosis
What is cytokinesis?
Division of cytoplasm
WHILE DOING REGULAR CELL ACTIVITIES
- nucleus disappears
- centrioles and spindle fibers appear
Chromosomes line up in the middle (metaphase, middle)
Chromosomes split in half
- spindle fibers disappear
- nucleus reappears
- cell about to split