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30 Cards in this Set
- Front
- Back
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What is the function of the Cell Membrane?
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Maintains integrity of the cell, controls the passage of materials into and out of the cell, and provides for signal transduction
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What is the structure of the Cell Membrane?
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Membrane mainly composed of protein and lipid molecules
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Describe the structure of the Endoplasmic Reticulum?
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Complex of connected, membrane-bound sacs, canals and vesicles
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What is the function of the Endoplasmic Reticulum?
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Transports materials within the cell, provides attachment for ribosomes, and synthesizes lipids
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What us the structure of the Golgi Apparatus?
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Group of flattened, membranous sacs
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What is the structure of the Mitochondria?
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Membranous sacs with inner partitions
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What is the function of the Mitochondria?
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Release energy from food molecules and transform energy into usable form
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What is the structure of the Lysomes?
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Membranous Sacs
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What is the function of Lysomes?
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Contain enzymes capable of digesting worn cellular parts or substances that enter cells
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What is the structure of Peroxisomes?
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Membranous vesicles
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What is the function of Peroxisomes?
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Contain enzymes called peroxidases, important in the breakdown of many organic molecules
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What is the structure of a Centrosome?
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Nonmembranous structure composed of two rodlike contrioles
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What is the function of a Centrosome?
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Helps distribute chromosomes to new cells during cell division and initiates formation of cilia
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What is the strucure of Cillia?
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Motile projections attached to basal bodies beneath the cell membrane
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What is the function of Cillia?
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Propel fluids over cellular surface
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What is the structure of Flagella?
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Motile projections attached to basal bodies beneath the cell membrane
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What is the function of Flagella?
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Enable sperm cells to move
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What is the structure of Vesicles?
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Membranous sacs
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What is the function of Vesicles?
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Contain substances that recently entered the cell and store and transport newly synthesized molecules
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What is the structure of Microfilaments and Microtubules?
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Thin rods and tubules
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What is the function of Microfilaments and Microtubules?
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Support cytoplasm and help move substances and organelles within the cytoplasm
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What are the structure of Nuclear envelope?
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Porous double membrane that separate that nuclear contents from the cytoplasm
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What is the function of Nuclear envelope?
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Maintains the integrity of the nucleus and controls the passage of materials between the nucleus and cytoplasm
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What is the struture of the Nucleolus?
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Dense, nonmembranous body composed of protein and RNA molecules
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What is the function of the Nucleolus?
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Site of Ribose formation
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What is the structure of Chromatin?
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Fibers composed of protein and DNA molecules
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What is the function of Chromatin?
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Contains cellular information of synthesizing proteins
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What is the function of the Golgi apparatus
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Packages and modifies protein molecules for transport and secretion
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What is the structure of a ribosome?
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Particles composed of protein and RNA molecules
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What is the function of a ribosome?
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Synthesize Proteins
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