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Tour of the cell Flashcards

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8821963653Plasma Membrane (or cell membrane)a membrane of lipids and proteins that forms the external boundary of the cytoplasm of a cell or encloses a vacuole, and that regulates the passage of molecules in and out of the cytoplasm.0
8821963654CytoplasmThick solution that fills each cell and is enclosed by the cell membrane. It is mainly composed of water, salts, and proteins. In eukaryotic cells, the cytoplasm includes all of the material inside the cell and outside of the nucleus.1
8821963656The bigger the cell is, the ________ there is per unitLess surface area2
8821963657Above a certain size in a cell, material cannot _____________Be moved in or out of of the cell fast enough3
8821963666Function of cell membraneDivide cell into compartments4
8821963667Interacting membranes inside the cell form _______Endomembrane systems5
8821963668Cell membrane or Plasma Membrane is present in all cells, responsible forMaintaining a constant internal environment in cell cytoplasm6
8821963669Cell wall is ________ in animal cellsAbsent7
8821963670Main component of cell membranes isLipid Bilayers8
8821963671A lipid bilayer consists ofTwo layers of phospholipids9
8821963672This lipid bilayer gives the membrane its ___________Fluid properties10
8821963673Fluid Mosaic ModelA model that describes the cell membrane.11
8821963674Mosaic membrane is made up ofPhospholipids, Glycolipids, Sterols, proteins12
8821963675Most phospholipids and some proteins can _____ through memebraneDrift.13
8821963676Membrane Proteins consist ofAdhesion, Communication, Receptor and Recognition proteins.14
8821963677Prokaryotic Cells areBacterial and Archae15
8821963678In Prokaryotic Cells, DNA is ______ enclosed in the ______Not, Nucleus16
8821963679Highly organized membrane-enclosed organellesEukaryotic Cells17
8821963680Eukaryotic Cells haveCytoplasm and Nucleoplasm18
8821963681Archaea and EubacteriaProkaryotic Cells19
8821963682Plants, Animals, Protista, FungiEukaryotic Cells20
8821963683Nucleus is bounded byThe nuclear envelope21
8821963684Double membrane perforated with nuclear poresNuclear envelope22
8821963685The nuclear side of the envelope is lined with ___________The nuclear Lamina.23
8821963686The nuclear lamina is aNetlike array of protein filaments that maintain the shape of the nucleus,24
8821963687The cell nucleusContains DNA25
8821963688DNA forms _________Chromatin26
8821963689Chromatin is organized intoChromosomes27
8821963690Inside the NucleolousRibosomal RNA synthesis, Ribosomal subunit assembly28
8821963691Main component of cell membranes isLipid Bilayers29
8821963692Functions of NucleusKeeps DNA separated from machinery of cytoplasm30
8821963693Nuclear EnvelopeTwo outer membranes ( Lipid Bilayers)31
8821963694Innermost surface of Nuclear Envelope has ______ attachment sitesDNA32
8821963695Components of NucleusNuclear envelope, Nucleoplasm, Nucleolus, Chromatin33
8821963696Chromatin is the cells collection of ______ and associated _________DNA and proteins.34
8821963697Chromosome is one __________ and its associated proteinsDNA Molecule and associated proteins35
8821963698Chromatin appearance changes asCell divides.36
8821963699Dense mass of material is located inNucleus37
8821963700Cluster of DNA and proteins can be found inNucleolus38
8821963701Ribosomal subunits are manufactured byThe Nucleolus39
8821963703RibosomesCarry out protein synthesis40
8821963704Ribosomes are made out ofProteins and rRNA41
8821963705There are two types of ribosomes found in a cellFree and Bound ribosomes42
8821963706Free Ribosomes are found inThe cytoplam of the cell43
8821963707Bound Ribosomes are found inThe surface of the Endoplasmic Reticulum44
8821963708Endomembrane SystemAll of the membranes that interact with each other inside a cell.45
8821963709How products are sorted and shipped to various destinationsIn the membrane System46
8821963710Components of Endomembrane SystemEndoplasmic Reticulum, Golgi Bodies, Vesicles47
8821963711Vesicles consist ofLysosomes, Food Vacuoles, Contractile Vacuoles, Central Vacuoles48
8821963712Endoplasmic ReticulumFound in animal cells, two regions rough and smooth.49
8821963713Forms a network of tubules and vesicles which functions to transport proteins throughout a cellEndoplasmic Reticulum50
8821963714Smooth ERNo ribosomes, synthesis lipids and its important in detoxification51
8821963715Smoth ER of _______ inactivates wastes, drugsLiver52
8821963716In the Endoplasmic Reticulum we can findSmooth ER and Rough ER53
8821963717Oils, Phospholipids, Steroids, Cholesterol are found inSmooth ER54
8821963718For an alcoholic, the more you drink the more ______ ER will be produced inside the cellSmooth55
8821963719Stores calcium ionsSmooth ER56
8821963720Rough ER"Factory inside of a cell"57
8821963721Contains ribosomes, membrane factory for the cellRough ER58
8821963722Golgi BodiesPut finishing touches on proteins that arrive from ER59
8821963723Package finished material for shipment to final destinationsGolgi Bodies60
8821963724Golgi bodies or Golgi Apparatus are like" UPS" "Protein receiving center"61
8821963725VesiclesMembraneous sacs that move through the cytoplasm62
8821963726Examples of VesiclesLysosomes and Peroxisomes63
8821963727LysosomesBreak down worn out cell structures, bacteria and other substances64
8821963728PeroxisomesInvolved in lipid metabolism and detoxification65
8821963729A Vesicle that contains enzymes, also involved in oxidation to AcetaldehydePeroxisomes66
8821963730Central VacuolesFluid filled organelles that store amino acids, sugars and wastes.67
8821963731Stores molecules needed by the cell and isolates material that might be harmful to the cellCentral Vacuole68
8821963732As a cell grows, expansion of __________ as a result of fluid pressure forces cell wall to expandVacuole69
8821963733MitochondriaPowerhouse that generates ATP energy70
8821963734Mitochondria sites _______ respirationAerobic71
8821963735Mitochondrial StructureDouble membrane. Outer membrane faces cytoplasm72
8821963736Plays important role inApoptosis73
8821963737ChoroplastsOnly found in plants and converts sunlight energy to ATP through photosynthesis74
8821963738Inner membrane of chloroplasts encloses the ________Stroma75
8821963739During photosynthesis, ChlorophyllTraps light energy76
8821963740Structure of a ChloroplastTwo outer membranes around semifluid interior (stroma)77
8821963741StromaFluid found inside Chroloplast78
8821963742Thylakoids3rd stack layer which contains chlorophylls79
8821963743GranumOne stack of Thylakoids80
8821963744Both Mitochondria and Chloroplasts resemble and might have evolved fromBacteria81
8821963745Mitochondria and Chloroplasts have their own ____, ____ and _____DNA, RNA and Ribosomes82
8821963746CytoskleletonSkeleton of the cell, found in the cytoplasm in all eukaryotic cells83
8821963747Basis for cell shape and internal organizationCytoskeleton84
8821963748Cytoskeleton is made up ofMicrotubules, Microfilaments, Intermediate filaments85
8821963749MicrotubulesLargest elements composed of protein tubulin in the Cytoskeleton86
8821963750Microtubules arise from ______MTOC's (microtubule organizing centers)87
8821963751Microfilaments arePolar or Dynamic88
8821963752Intermediate FilamentsPresent only in animal cells of certain tissues89
88219637536 known groups of Intermediate FilamentsDesmins, Vimentins, Lamins, Etc.90
8821963754Flagella and CiliaStructures for cell motility91
8821963755Thin, movable structures that function in movementCilia and Flagella92
8821963757These temporary, irregular lobes project from the cell and function inLocomotion and prey capture93
8821963759Pseudopods move asMicrofilaments94
8821963760Cell wallStructural component that wraps around plasma membrane found in plants, some fungi and protista95
8821963761Plant CuticleWx film covering cell surface, semi transparent and restricts water loss.96
8821963762The extracellular matrix (ECM) of animals is made up ofProteins, Carbohydrates, Collagen97
8821963763GlycocalyxCell coat covering outside of prokaryotic and eukaryotic cells after plasma membrane.98
8821963764Cell JunctionsConnects cells to other cells99
8821963765Tight JunctionsGlued together tightly that substances cannot leak. (bladder, intestines,kidneys)100
8821963766DesmosomesConnections not completely tight together, things can flow between them the cells (skin, intestines)101
8821963767Gap JunctionsCommunication tunnel junctions between two cells. Found in tissues that spread action potential ( Cardiac muscles)102
8821963768Adhering JunctionsKeeping things from slipping/sliding out of cell103

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