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19 terms

Genetics and cell division

Vocab
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Binary fission
Prokaryotic cell division goes under an entirely different name
Cell cycle
The repeating pattern of growth genetic duplication and division seen in most cells
Centrosome
A cellular structure that acts as an organizing center for the assembly of microtubles
Chromatid
One of the 2 identical strands of chromatin that
Make up a chromosome in its duplicated state
Chromatin
A molecular complex composed of DNA and associated proteins that makes up the chromosomes of eukaryotic organisms
Chromosome
The DNA in each cell comes divided and package into individual units of DNA * different organisms have different numbers of chromosomes human cells have 46
Cytokinesis
The physical separation of one cell into 2 daughter cells
Enzyme
The chemically active proteins that speed up or in practical terms enable chemical reactions in living things
Genetics
The study of physical inheritance among living things it concerns the storage duplication and transfer of information
Genome
The complete collection of that organisms genetic information.
Genes
This information exists in units called.. That lie along DNAs famous double helix
Homologous Chromosomes
23 pairs homologous here meaning the same in size and function homologous chromosomes are not exactly alike
Interphase
That portion of the cell cycle in which the cell stimultaneously carries out its work and in preparation for division duplicates its chromosomes
Karyotype
A pictorial arrangement of a complete set of human chromosomes
Metaphase plate
Is not a structure but instead is a plane located midway between the poles of a dividing cell
Microtuble
Protein fibers that are part of the cells cytoskeleton or internal fiber network
Mitosis
The separation of a cells duplicated chromosomes prior to cytokinesis
Mitotic phase
That portion of the cell cycle that includes both mitosis and cytokinesis
Mitotic spindle
Microtubles active in cell division