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Chapter 12 AP BIO Flashcards

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7650950105chromatinthe entire complex of DNA and proteins that is the building material of chromosomes0
7650956616somatic cellnon reproductive cell1
7650958321gametesreproductive cells2
7650963552sister chromatidschromosomes have 2 duplicated copies3
7650971726centromereregion 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
7651142876mitosisdivision of the genetic material in the nucleus5
7651144966cytokinesisdivision of the cytoplasm6
7651158543cell cycle phasesmitotic, interphase 1, s phase, interphase 27
7651161673mitotic M phaseincludes both mitosis and cytokinesis - shortest. alternates with interphase. divides8
7651207688interphase90% of cell cycle. grows and copies chromosomes in preparation for cell division9
7651211494G1 phasefirst gap. grows.10
7651211540S phasesynthesis .chromosomes duplicated. continues to grow.11
7651213666G2second gap. completes preparation for cell division.12
7651263909M phasedivides.13
7651269770mitotic spindlebegins to form in the cytoplasm during prophase. consists of fibers made of microtubules and associated proteins14
7651300457centrosomesub cellular region containing material that functions throughout the cell cycle to organize the cell's microtubules. microtubule organizing center15

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