BIOLOGY 1401 - BIOLOGY 1408 Study Aid Unit 3 Ch 5 1.Diagram...

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BIOLOGY 1408 Study Aid Unit 3 Ch 5 1.Diagram the cell cycle showing the various stages and their specific occurrences 2.Name the three major check points of the cell cycle and the specific events which occur Three Checkpoints G 1 (growth) G 2 (growth and final preparation) M (spindle checkpoint and chromosome alignment) Cyclins increase and decrease as the cell cycle continues Appropriate cyclin has to be present for cell to proceed to next stage 3 Name the two major events of the M cycle (mitosis) M STAGE (Mitotic Stage) Mitosis division of the nucleus Cytokinesis division of the cytoplasm 4.Define: a.Apoptosis: Programmed cell death,decreases the number of cells.Occurs during development to remove unwanted tissue.If there is a mistake. Occurs during development to remove unwanted tissue:Tail of tadpole,Webbing between human fingers and toes.Important role in preventing cancer b.chromatin: Network of fibrils consisting of DNA and associated proteins within a nucleus. c.chromatid:
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This note was uploaded on 11/08/2011 for the course BIO 1408 taught by Professor Beechinor during the Spring '08 term at Alamo Colleges.

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BIOLOGY 1401 - BIOLOGY 1408 Study Aid Unit 3 Ch 5 1.Diagram...

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