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| basic structural and functional units of life |
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| converts mRNA sequence into a string of amino acids that form a protein |
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| continuous with rough ER. surrounds nucleus. |
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| composed of DNA and histone proteins that makes the chromosome |
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organized structure of DNA and protein |
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| cell division is important for growth. SEE MODEL |
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| reproductive cell, haploid 1N amount of DNA |
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| form asters, microtubules, chromosomes, kinetichores, polar spindle |
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| separation of chromosomes |
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| cell starts to divide. Own centrosome, microtubules, and chromatids. |
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| cell has 2 nuclei for a short time |
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| division specific for sex chromosomes. 2 divisions result in 4 gametes. |
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| pairing of 46 homologous duplicated chromosomes |
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| long segments of DNA are exchanged |
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| 46 homologous chromosomes align at metaphase plate |
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| 46 homologous duplicated chromosomes separate, but centromeres do not split. |
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| 2 secondary gametocytes are formed (23 duplicated 2N) |
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synapsis and crossing over are absent |
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| 23 duplicated chromosomes align at metaphase |
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| duplicate chromosomes separate to form 23 single chromosomes. centromeres split |
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| 4 gametes (23 single chromosomes, 1N) are found |
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| site where temperature is regulated. site where antidiuretic hormone is. prevents excess secretion of fluid by urine |
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