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Download Cell anatomy and cell division
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Transcript
Anatomy of the Cell Nucleus – headquarters of cell, contains DNA (chromatin) Cytoplasm – site of most cellular activities Plasma membrane – separates cell contents from environment Get into groups of 2 and determine main functions of organelle or structure: -ribosomes -peroxisomes -endoplasmic reticulum -Golgi apparatus -lysosomes -mitochondria -cytoskeleton -centrioles Cell Division DNA replication Mitosis – division of nucleus Cytokinesis - division of cytoplasm End product: 2 daughter nuclei with identical genes as mother Interphase-growth, cell spends most time Prophase-chromatin to chromosomes, centrioles direct formation of mitotic spindle Metaphase-chromosomes align at metaphase plate Anaphase-centromeres split, daughter chromosomes move to opposite ends of cell Telophase-chromosomes to chromatin Cytokinesis-cleavage furrow, division of cytoplasm
