Mitosis Flashcards
0
Q
What is mitosis?
A
Type of cell division that results in two identical daughter cells
1
Q
What are the three components of the cell theory?
A
- living things are made up of cells
- new cells come from preexisting cells
- cells are the basic unit of living things
2
Q
Why does mitosis occur? (4 reasons)
A
- growth
- healing injuries
- reproduction
- replace old cells
3
Q
What are chromosomes?
A
Thread-like structures found in the nucleus. They are made of DNA.
4
Q
What is the cell cycle and what are the 4 parts of it?
A
Life cycle of the cell • G1 — cell growth • S — DNA replication • G2 — prep for mitosis • M — Mitosis
5
Q
What is cytokinesis?
A
Division of cytoplasm
6
Q
Describe Interphase…
A
• G1
• S
• G2
WHILE DOING REGULAR CELL ACTIVITIES
7
Q
Describe Prophase…
A
- nucleus disappears
- centrioles and spindle fibers appear
8
Q
Describe Metaphase…
A
Chromosomes line up in the middle (metaphase, middle)
9
Q
Describe Anaphase…
A
Chromosomes split in half
10
Q
Describe Telophase…
A
- spindle fibers disappear
- nucleus reappears
- cell about to split
11
Q
What type of cells undergo mitosis?
A
Somatic cells
