The Cell Cycle

The Cell Cycle - The Cell Cycle Miscellaneous notes: o The...

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The Cell Cycle Miscellaneous notes: o The surface area of a sphere is 4πr² o The volume of a sphere is 3 4 π³ o The surface area to volume ratio increases as r increases o To stay metabolically active the cell must divide o The egg is the largest single cell we have and it is metabolically slow. o DNA molecule is very fragile Prokaryotic (bacterial) cell division o Needed components The genetic material Copying the DNA Process of copying must be accurate or the cell will die Distributing the DNA to the new cells DNA is attached to the membrane Cell with long circular DNA divides One (at least) is left in new cell after the original cell divides o Protozoans have more DNA than the most complex prokaryotic cell Chromosomal morphology o Chromatids o Centromeres: place where a force is exerted to divide chromatids) Metacentric: the centromere is centered. Acrocentric: the centromere is a little off center (a.k.a sub- metacentric). Telocentric: the centromere is way off center, located at or near the
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The Cell Cycle - The Cell Cycle Miscellaneous notes: o The...

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