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CELLS (Organelles (Peroxisomes (Function: detoxify toxic substances,…
CELLS
Organelles
Peroxisomes
Function: detoxify toxic substances, breaks down hydrogen peroxide
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Microfilaments
Function: involved in muscle contraction and other intracellular movement; helps form the cytoskeleton of cell
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Mitochondria
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Structure: rodlike, double-membrane
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Lysosomes (vacuoles)
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Structure: enzyme-containing, membranous sacs
Microtubules
Function: supports and gives shape to the cell; involved intracellular and cellular movements; form centrioles
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Golgi Apparatus
Function: Sorts, processes and packages proteins for export, for enlarging the plasma membrane or for making lysosomes
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Centrioles
Function: Organizes microtubule network during mitosis to form spindle and asters; form the bases of cilia and flagella
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Nucleus
Structure: surrounded by nuclear envelope, contains fluid nucleoplasm, nucleolus, and chromatin
Function: control center for the cell; transmits genetic information; provides instruction for protein synthesis
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Major Components
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Nucleus
Function: Cell's control center; transmits genetic information; provides instruction for protein synthesis
Structure: comprised of nuclear envelope, nucleolus, and chromatin
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Endocytosis
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Phagocytosis
"Cell-eating"; completely engulfs other cells (dead cells, bacteria, viruses, etc) and digests them to police and protect the body
Pinocytosis
Cell- drinking, sampling of the extracellular fluid; Non-selective
Exocytosis
sending substances, such as hormones and mucus, out the cell