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13 Cards in this Set

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DNA
the genetic material found in all living cells that contains the information needed for an organism to grow, maintain itself, and reproduce
chromosome
a structure formed when the DNA in the nucleus of a eukaryotic cell condenses before the cell divides
the physical structure in a cell that contains the cell's genetic material
cell cycle
the normal sequence of growth, maintenance, and division in a cell
interphase
the period in the cell cycle in which a cell grows, maintains itself, and prepares for division
the cell's DNA is copied during interphase
mitosis
the phase in the cell cycle during which the nucleus divides
prophase
chromosomes condense:
nuclear membrane disappears
long strands of DNA condense to distinct chromosomes, each with two chromatids that are exact copie
metaphase
chromosomes line up in the middle of the cell
anaphase
chromosomes separate:
chromatids of each chromosome split into two separate chromosomes
separated chromosomes pull to the opposite ends of the cell
telophase
nuclei form; new nuclear membranes form
cytokinesis
the division of a parent cell's cytoplasm following mitosis
asexual reproduction
the process by which a single organism produces offspring that have the same genetic material
binary fission
a form of asexual reproduction by which some single-celled organisms reproduce
the genetic material is copied, and one cell divides into two independent cells that are each a copy of the original cell
EXAMPLE: Prokaryotes such as bacteria reproduce by binary fission.
regeneration
in some organisms, the process by which certain cells produce new tissue growth at the site of a wound or lost limb
a form of asexual reproduction