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Cambell Biology 9e, Ch. 6 Vocab Flashcards

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578227536basal bodya eukaryotic cell structure consisting of a 9+0 arrangement of microtubule triplets, may organize the microtubule assembly of a cillium or flagellum and is structurally very similar to a centriole0
578227537mitochondrionan organelle in eukaryotic cells that serves as a site of cellular respiration1
578227538cell walla protective layer external to the plasma membrane in the cells of plants, prokaryotes, fungi, and some protists2
578227539cellular metabolismthe totality of the chemical reactions in a cell3
578227540central vacuolea large membranous sack with diverse roles and growth storage and sequestration of toxic substances4
578227541nuclear envelopethe double membrane that surrounds a nucleus, continuous with the ER5
578227542nucleoida non-membrane bound region in a prokayrotic cell where the DNA is concentrated6
578227543nucleusthe organelle of a eukaryotic cell that contains the genetic material in the form of chromosome made up of chromatin7
578227544organelleany of membrane enclosed structures with specialized functions, suspended in the cytosol of eukaryotic cells8
578227545peroxisomean organelle containing enzymes that transfer hydrogen atoms from various substrates to oxygen producing and then degrading hydrogen peroxide9
578227546prokaryotic cella type of cell lacking a membrane enclose nucleus and membrane enclosed organelles10
578227547ribosomea complex of rRNA and protein molecules that function as a site of protein synthesis in the cytoplasm, has subunits11
578227548rough ERthe portion of the ER with ribosome attached12
578227549scanning electron microscope (SEM)a microscope that uses an electron beam to scan the surface of a specimen to form a 3D image of it13
578227550smooth ERthe portion of the ER that is free of ribosomes14
578227551stromathe dense fluid within the cholorplast surrounding the thykaloid membrane and containing ribosomes and DNA15
578227552thylakoida flatteed, membranous sac inside of the chloroplast, often exist in stacks called grana that are interconnected16
578227553vacuolea membrane bround vesicle whose specialized function varies in different kinds of cells17
578227554transmission electron microscope (TEM)a microscope that passes an electron beam through very thin sections stained with metal atoms and is primarily used to study the internal ultrastructure of cells18
578227555plasma membranethe membrane at the boundary of every cell that acts as a selective barrier, regulating the cell's chemical composition19
578227556nucleolusa specialized structure in the nucleus, consisting of chromosomal regions containing ribosomal RNA genes along with ribosomal proteins imported from the cytoplasm20
578227557centriolea structure in the centrosome of an animal cell composed of a cylinder of microtubule triplets arranged in a 9+0 pattern21
578227558cell theorythe theory that states that the cell is the fundamental structure of life22
578227559chloroplastan organelle found in plants and photosynthetic protist that absorb sunlight and uses it to drive the synthesis of organic compounds from carbon dioxide and water23
578227560chromatinThe complex of DNA and proteins that make up eukaryotic chromosomes24
578227561chromosomea cellular structure carrying genetic material found in the nucleus of eukaryotic cells25
578227562ciliuma short appendage containing microtubules and eukaryotic cells, a motile one is specialized for locomotion or moving fluid past the cell, in a 9+2 arrangement26
578227563cristaeThe inner foldings of the inner membrane of a mitochondrion27
578227564cytoplasmThe contents of the cell bounded by the plasma membrane; in eukaryotic cells, the portion exclusive of the nucleus28
578227565cytoskeletona network of microtubules, microfilaments, and intermediate filaments extend throughout the cytoplasm and serve a variety of mechanical, transport, and signaling functions29
578227566vesiclea membranous sac in the cytoplasm of a eukarytoic cell30
578227567transport vesiclea small membranous sac in a eukaryotic cell's cytoplasm carrying molecules produced by the cell31
578227568electron microscopeAnd microscope that uses nine magnets to focus a bean of electrons through specimen getting a higher resolution of an image better than a light microscope32
578227569endomembrane systemThe collection of membranes inside and surrounding a eukaryotic cell33
578227570endoplasmic recticulumAn extensive membranous network in a eukaryotic cell, continuous with the outer nuclear membrane and composed of ribosome studded and ribosome free regions34
578227571endosymbiosisThis theory that states a early prokaryotic cell entered a eukaryotic cell and grew and lived in the environment of the eukaryotic cell living in symbiosis35
578227572eukaryotic cellThe type of cell with a membrane enclosed nucleus and membrane enclosed organelles36
578227573extracellular matrixThe meshwork surrounding animal cells, consisting of glycoproteins, polysaccharides, and proteoglycan synthesized and secreted by the cells.37
578227574flagellaA long cellular appendage specialized for locomotion, In a 9+2 arrangement.38
578227575glycoproteinsa protein with one or more covalently attached carbohydrates.39
578227576Golgi apparatusAnd organelle in eukaryotic cells consisting of stacks of flat membrane is sex that modify, store, and route products of the endoplasmic reticulum and synthesize some products40
578227577granuma stack of membrane bounded thylakoids in the chloroplasts, function in photosynthesis41
578227578integrinIn animal cells, a transmembrane receptor protein with two subunits that interconnects the extracellular matrix in the cytoskeleton42
578227579Intermediate filamenta components of the cytoskeleton that includes filaments intermediate in size between microtubules and microfilaments43
578227580Intermembrane spaceThe space in between the two plasma membranes of the mitochondria44
578227581Light microscopeAn optical instrument with lenses that refract visible light to magnify images of specimens45
578227582LysosomeAn enzyme that destroys bacterial cell walls46
578227583Microfilamenta cable composed of actin proteins in the cytoplasm of almost every eukaryotic cell making up part of the cytoskeleton47
578227584MicrographA photograph taken by means of a microscope48
578227585Microtubulea hollow rod composed of tubulin proteins that makes up part of the cytoskeleton49
578227586Mitochondrial matrixThe space of a mitochondrion enclosed by the inner membrane50

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