1. MITOSIS G1 growth interphase interphase S = synthesis copy DNA
Cell Cycle- Cells grow + divide. "cell sex"
*Length of time varies.
Average is hrs
1. Interphase- "Resting phase" .. Liars !
2. Mitosis- Making of body cells. "somatic" cells dividing.
Muscles and nerve 
cells never divide!
"My toes itch"
2 identical daughter cells
Apoptosis- programmed death of cell.
Skin and digestive 
cells divide faster.
mitosis checkpoint
Why??
1. Replace
2. Repair
3. Grow
too fast = Tumors, cancer
too slow = healing problems
MITOSIS
G2 checkpoint
telophase
anaphase
cytokinesis
metaphase G1
growth
prophase
nucleus
divides G2
more
growth
interphase
cell cycle
interphase
S = synthesis
copy DNA
G1 checkpoint
interphase

2. MITOSIS 92 92 92 G1, S, G2 46 46 92 46 46 cytokinesis centrioles
nucleus
nuclear membrane
nucleolus
cytoplasm 92 92 92
centrioles
centrioles move to the poles
nuclear membrane /nucleolus disappears
chromatin turns into chromosomes
G1, S, G2
spindle fibers 46 46
cytokinesis 92 46 46
chromosomes line up on the equator
chromosomes are pulled to the poles
centrioles disappear
nuclear membrane/nucleolus reappear
chromosomes go back to chromatin
2 identical daughter cells made

3. 92 46 46 92 46 46 92 46 46 46 46 cytokinesis metaphase II 23 23
MEIOSIS- making of gametes/sex cells- AKA reduction division
cell membrane
prophase II
nucleolus 92
nuclear membrane
interphase
centrioles
chromatin
spindle fibers 92
chromosomes
prophase I
crossing over
tetrad=4
metaphase II 92
metaphase I
anaphase II
anaphase I
46 46
telophase II
telophase I
cytokinesis

5. spermatogenesis oogenesis92 92
polar bodies- they die
egg