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Chapter 6

Across
a normal gene that controls cell division by regulating the cell cycle that becomes an oncogene if it is mutated
a haploid reproductive cell or sex cell (sperm or egg)
the equatorial plane midway between two poles of a cell where the chromosomes align during metaphase
Ordered sequence of events that a cell passes through between one cell division and the next
a cell-cycle phase; first phase of interphase centered on cell growth during mitosis
a structure formed during plant-cell cytokinesis by Golgi vesicles fusing at the metaphase plate; will ultimately lead to formation of a cell wall to separate the two daughter cells
chromosomes of the same length with genes in the same location; diploid organisms have pairs of homologous chromosomes, and the members of each pair come from different parents
the region of the prokaryotic chromosome at which replication begins
a gene that codes for regulator proteins that prevent the cell from undergoing uncontrolled division
the position of a gene on a chromosome
a protein structure in the centromere of each sister chromatid that attracts and binds spindle microtubules during prometaphase
the stage of mitosis during which chromosomes condense and the mitotic spindle begins to form
Down
the stage of mitosis during which mitotic spindle fibers attach to kinetochores
a mutated version of a proto-oncogene, which allows for uncontrolled progression of the cell cycle, or uncontrolled cell reproduction
a constriction formed by the actin ring during animal-cell cytokinesis that leads to cytoplasmic division
a wall formed between bacterial daughter cells as a precursor to cell separation
the physical and functional unit of heredity; a sequence of DNA that codes for a specific peptide or RNA molecule
Mechanisms that monitor the preparedness of a eukaryotic cell to advance through the various cell stages
a cell-cycle phase; third phase of interphase where the cell undergoes the final preparations for mitosis
the division of the cytoplasm following mitosis to form two daughter cells
the microtubule apparatus that orchestrates the movement of chromosomes during mitosis
describes a cell, nucleus, or organism containing two sets of chromosomes (2n)
the second, or synthesis phase, of interphase during which DNA replication occurs
the entire genetic complement (DNA) of an organism
the period of the cell cycle when duplicated chromosomes are distributed into two nuclei and the cytoplasmic contents are divided; includes mitosis and cytokinesis
the stage of mitosis during which chromosomes are lined up at the metaphase plate
describes a cell, nucleus, or organism containing one set of chromosomes (n)
describes a cell that is performing normal cell functions and has not initiated preparations for cell division
the period of the cell cycle at which the duplicated chromosomes are separated into identical nuclei; includes prophase, prometaphase, metaphase, anaphase, and telophase
a paired rod-like structure constructed of microtubules at the center of each animal cell centrosome