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14 Cards in this Set
- Front
- Back
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What are the phases of Interphase? |
G1, G0, S, G2 |
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G1 Phase |
Cell growth and preparation for DNA replication. Some cell organelles are replicated. |
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S phase |
DNA is replicated. Each cell has 2× the DNA as it did at the end of G1 phase. |
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G2 phase |
Continues cell growth and prepares materials for mitosis. Protiens make spindle factors. |
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What are the Phases of Mitosis (M phase) |
1. Prophase 2.Prometaphase 3. Metaphase 4. Anaphase 5.telophase |
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Prophase |
Nuclear membrane dissolves and chromosomes condense. Spindle fibers begin to form. |
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Prometaphase |
Sister chromosomes are being moved to middle (before=pro) |
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Metaphase |
Spindle fibers have attached to centrometers of each chromosome. Chromosomes aligned in middle. |
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Anaphase |
Identical chromatides pulled toward opposite sides of cell. Cell has 2x the number of chromosomes now. |
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Telophase |
2 new membranes form |
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Cytokines |
Division of cytoplasm b/tw the daughter cels (occurs after mitosis) |
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Cytokines- plant vs. Animal cells |
Animal cells: cleavage furrow is formed, partitions cytosol Plant cells: cell plate is built, providing cell wall material for daughter cells. |
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Apoptosis |
Programmed cell death |
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Somatic cells |
Non sexually reproduced, regulated by density-dependant inhabition |
