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BIOL - 161 Vocab
Vocabulary Chapter 10
19
Biology
Undergraduate 2
12/06/2011

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Term
Mother cell
Definition
a dividing cell
Term
Prokaryotic fission
Definition
noncytokinetic partitionig of cellular DNA by plasma membrane growth
Term
Cytokinesis
Definition
the physical splitting of a eukaryotic cell into two parts
Term
Chromatid
Definition
a strand of densely compacted DNA and protein attached at a centromere to another one like itself
Term
Kinetochore
Definition
chromosomal spindle fiber attachment site
Term
Mitosis
Definition
process produces diploid cells from diploid cells
Term
Meiosis
Definition
process produces haploid cells from diploid cells
Term
G1
Definition
precedes S
Term
Diploid
Definition
contains homologous chromosome pairs
Term
X and Y
Definition
nonhomologous chromosome pair
Term
X and X
Definition
homologous chromosome pair
Term
Asexual reproduction
Definition
general name for all examples of reproduction without fertilization
Term
S
Definition
phase of eukaryotic DNA synthesis
Term
Mitotic chromosome
Definition
coiled, densely compacted DNA and protein, but not attached to another one like itself
Term
Spindle apparatus
Definition
includes polar and chromosomal fibers
Term
Pericentriolar material (PCM)
Definition
plays a key role in spindle fiber assembly
Term
Astral spindle fibers
Definition
radiate out in all directions from the pericentriolar material
Term
Metaphase
Definition
chromosomes are aligned midway between spindle poles during this phase
Term
Cell plate
Definition
formed by fucion of secretion vesicle membranes and their polysaccharide contents
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