Cell cycle by Hamed AlShammari

Cell Cycle

hamedalshammari — 2016-10-11 14:57:42 UTC

The cell cycle is the repeating set of events in the life of a cell.

1. Interphase

hamedalshammari — 2016-10-11 17:07:57 UTC

1.G1 phase- Offspring cells cells grow to mature size
2.S phase- Dna synthesis
3. G2 phase- Cell prepares for cell division; spindle fibers and centrioles gather at poles of the cell

2. Mitosis 2a. Prophase

hamedalshammari — 2016-10-11 18:00:03 UTC

The copied DNA coils into chromosomes. Sister chromatids bind together to make chromosomes. The cell is also preparing chromosomes to move centrioles and spindles that go to the poles

2b. Metaphase

hamedalshammari — 2016-10-11 18:04:39 UTC

Mitotic spindles will help the chromosomes line up along the midline of the dividing cell. The nuclear membrane fades away.

2c. Anaphase

hamedalshammari — 2016-10-11 18:07:44 UTC

The spindle fibers will become short to pull chromatids to the poles. The chromatids of the chromosomes begin moving toward opposite poles of the cell. The chromosomes separate to make chromatids.

2d. Telophase

hamedalshammari — 2016-10-11 18:13:32 UTC

The nuclear membrane reforms. The spindle fibers are going to pull away at the cell membrane like stretch marks. The chromatids become uncondensed. A cleavage furrow is formed

3. Cytokinesis

hamedalshammari — 2016-10-11 18:40:27 UTC

The mitotic spindler pinch the cell membrane to form 2 cells. The cleavage furrow pinches the cell into two cells through the action of mircofilaments.  The nuclear membrane is fully reformed. The DNA is formed as chromatin.