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Cell Cycle

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Cheyanne Greene

on 6 October 2015

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Transcript of Cell Cycle

Cell Cycle

Metaphase
Metaphase is the third phase of mitosis, the process that separates duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells. During metaphase, the cell's chromosomes align themselves in the middle of the cell through a type of cellular "tug of war."
Fun Facts about metaphase
Interphase
Gap 1 (G1)
G1 is the first out of three phases in Interphase. This is the phase when the RNA, protien synthesis, organelle production, and cytoplasmic volume increases causing the cell to grow.
Prophase
Prophase is the first phase of mitosis, the
process that seperates the duplicated gentic
material carried in the nucleus of the parent cell into two indentical daughter cells. During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses.

Telophase and Cytokinesis
By: Cheyanne, Camden, Aliddia, and Max
Fun facts about
PROPHASE
During prophase the chromosomes
become more coiled and can be veiwed under a light microscope.
In the cytoplasm, the mitotic spindle, consisting of microtubules and other proteins, forms between the two pairs of centrioles as they migrate to opposite poles of the cell.
Telophase is (technically) the final phase of mitosis In this phase, the two sister chromatids reach opposite poles and the small nuclear vesicles in the cell begin to reform around the group of chromosomes at each end. After the nuclear envelope reforms with the chromosomes, two nuclei are created in the one cell.
The process in which one cell divides into two is Cytokinesis. Two nuclei are already at the opposite poles of the cell before the cell cytoplasm seperates and the cell pinches in the middle, in which leads to cleavage.
Resoures:
When the nuclear envelope disappears it sends signal to begin the prometaphase substage.
http://www.phschool.com/science/biology_place/biocoach/mitosisisg/prophase.html
http://www.macroevolution.net/interphase.html
Interphase is the cycle where the cell will spend most of it's life. It is the daily life and growth period of the cell. During this cycle the cell will prepair for mitosis, yet because the cell does not undergo division it is not considered apart of mitosis. There are three stages of Interphase. They include G1 (gap 1), S phase (synthesis), and G2 (gap 2).
During metaphase long proteins filaments called kinetochores microtubules extend from thier poles on either side of the cell and attatch to the kinetochores.
After metaphase the cell starts to split.
http://www.biology-online.org/dictionary/Gap_2_phase
Synthesis (S phase)
http://www.nature.com/scitable/topicpage/dna-replication-and-checkpoint-control-in-s-14202419
Before a cell can produce two daughter cells it must first replicate the DNA. This stage is called Synthesis or the S phase. Then cell will then decide either to move into the cell cycle or go into G0 phase.
Gap 2 (G2)
G1 is the final stage in Interphase. It is where eukaryote somatic cell will resume growing and coppying DNA,to prepare for the cell cycle.
Fun Fact about Interphase
There is no sign of division in this stage but there is intense activity occurring.
Anaphase
Anaphase is the second step in mitosis. During
anaphase the chromosomes move away from one another to opposite poles of the spindle.
Fun facts about
During anaphase the splitting is completly controlled by the spindle.
http://www.encyclopedia.com/topic/Anaphase.aspx
In anaphase of mitosis and anaphase II of meiosis, the centromere becomes functionally double and daughter chromosomes separate from the equator, moving towards the opposite poles of the spindle.
ANAPHASE
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