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7 Cards in this Set
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Interphase |
interphase made up of three subphases : G1 , S , G2 . 2. Mitosis and cytikinesis. 3. The main stages of the cell cycle are gap 1 , synthesis gap 2 , and mitosis. - gap 2 (S) : capies DNA - gap 2(g2) : additional growth. - Mitosis (M) Incuddes division of the cell nucleus (mitosis) 11. chromosome/DNA a . DNA is orgained in the nucleus. |
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mitosis |
111. a . The purpose of the mitosis is cell divison making two cells out of one. B. The DNA is replicated in interphase ( during the sphase ). at the end of the DNA replication cell contains 2 identical sets of the DNA C. in mitosis , the chromosomes have to break apart so that each new cell only has one set of chromosome D . mitosis is divided into four phases : anaphase and telophas. |
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prophase |
is characterized by four events 1. chromation condenses to become chromasome . 2. the nuclear memberane ( enuelope ) disappears. 3. centrioles have seperated and moved to opposite side of the cell 4. spindle fibers from a bridge between the end of the cell. |
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metaphase |
1. chromosome line up across the center of the cell. 2 . each chromosome attaches to a spindle fiber at its centromere |
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anaphase |
1. centromeres that join the sister chromatids split. 2 . sister chromatins seprate becoming individual chromosomes. 3 . seprated chromatids move to opposite sides of the cell. |
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telophase |
1 . chromosomes [ each consisting of a single chromatid ] begin to lose their rod like appearance . They are becoming chromation again . 2 . a new nuclear envelope forms [ nucleus ] around the chromosomes at each side of the cell. |
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cytokinesis |
The division of the cytoplasm into two individual cells. process of cytokinesis differs some what in plant and animal cells in animal cells the cell membrane pinches the cell into two nearly daughter cells. in pllant cells a structure known as a cell plate. forms midway. between the 2 nucleus , which gradually developes into a seprating membrane . |
