NOTES-Chapter 11

NOTES-Chapter 11 - Chapter 11 The Cell Cyle Mitosis a...

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Chapter 11: The Cell Cyle Mitosis a single nucleus forms two daughter nuclei equal in genetic material division of the cytoplasm=scytokinesis Phases of Mitosis gap 1 gap 0-cells that cease division s phase- dna synthesis gap2 mitosis-cell division Interphase the most active metabolically contains g1, s, g2 Prophase centrioles dividing chomatin- already replicated but shrinking and thickening nuclear membrane disintegrates Metaphase chromosomes line up on equatorial plate spindle is totally formed Anaphase the chromosomes split cleavage furrow spindle pulls chromosomes back towards the centriole each cell contains 2n separating sister chromatids Telophase cleavage furrow is complete two separate daughter cells each with 2n identical Centromere the center of he chromosomes, where they are connected contains the kinetochore which is made up of microtubules and is an anchoring site Cytokinesis microfilaments, specifically actin, make a contractile ring to from the two
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This note was uploaded on 04/07/2011 for the course BIOL 104 taught by Professor Bray-speth during the Fall '11 term at Saint Louis.

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NOTES-Chapter 11 - Chapter 11 The Cell Cyle Mitosis a...

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