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| What are the four phases in a cell cycle? |
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| What's the longest cycle in a cell life? |
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| non-reproductive and they have two set of chromosomes |
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| Reproductive cells; Sperm and eggs; they have half the amount of chromosomes as somantic cells |
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| What do Eukaryotic chromosomes consist of? |
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| chromatin, a complex of DNA and protein that condenses during cell division |
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| the narrow “waist” of the duplicated chromosome, where the two chromatids are most closely attached |
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| What are the five phases of Mitosis? |
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Prophase
Prometaphase
Metaphase
Anaphase
Telephase |
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| an apparatus of microtubules that controls chromosome movement during mitosis |
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| the microtubule organizing center |
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| (a radial array of short microtubules) extends from each centrosome |
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| occurs by a process known as cleavage, forming a cleavage furrow |
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| is that kinetochores not attached to spindle microtubules send a molecular signal that delays anaphase |
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| proteins released by certain cells that stimulate other cells to divide |
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| density-dependent inhibition |
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| an internal signal in which crowded cells stop dividing. |
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| Most animal cells exhibits this in which they must be attached to a substratum in order to divide |
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| The 22 pairs of chromosomes that do not determine sex |
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| A cell with two sets (humans are 46) |
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are the original source of genetic diversity
Mutations create different versions of genes |
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| produces haploid cells by meiosis |
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