Chapter 12 AP BIO Flashcards
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| 7650950105 | chromatin | the entire complex of DNA and proteins that is the building material of chromosomes |  | 0 |
| 7650956616 | somatic cell | non reproductive cell |  | 1 |
| 7650958321 | gametes | reproductive cells |  | 2 |
| 7650963552 | sister chromatids | chromosomes have 2 duplicated copies |  | 3 |
| 7650971726 | centromere | region containing specific DNA sequences where the chromatid is attached most closely to its sister chromatid. attachment is mediated by proteins bound to the centromeric DNA sequences and gives the condensed, duplicated chromosome a narrow "waste" | 4 | |
| 7651142876 | mitosis | division of the genetic material in the nucleus | 5 | |
| 7651144966 | cytokinesis | division of the cytoplasm | 6 | |
| 7651158543 | cell cycle phases | mitotic, interphase 1, s phase, interphase 2 | 7 | |
| 7651161673 | mitotic M phase | includes both mitosis and cytokinesis - shortest. alternates with interphase. divides | 8 | |
| 7651207688 | interphase | 90% of cell cycle. grows and copies chromosomes in preparation for cell division | 9 | |
| 7651211494 | G1 phase | first gap. grows. | 10 | |
| 7651211540 | S phase | synthesis .chromosomes duplicated. continues to grow. | 11 | |
| 7651213666 | G2 | second gap. completes preparation for cell division. | 12 | |
| 7651263909 | M phase | divides. | 13 | |
| 7651269770 | mitotic spindle | begins to form in the cytoplasm during prophase. consists of fibers made of microtubules and associated proteins | 14 | |
| 7651300457 | centrosome | sub cellular region containing material that functions throughout the cell cycle to organize the cell's microtubules. microtubule organizing center | 15 |