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AP Biology - Test 2 Flashcards

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14923528319Three laws of cells1. all organisms are made of cells 2. the cell is the simplest version of matter that can be alive 3. all cells are related by descent of other cells0
14923538055Light Microscope (LM)lenses refract the light so image is magnified (x1000)1
14923545353Three parameters of microscopyMagnification, resolution, contrast2
14923548417Organellesmembrane-enclosed compartments3
14923552385Electron microscopes (EM)used to study subcellular structures4
14923555849Scanning electron microscope (SEM)produce images that look 3D, some color5
14923563618Transmission electron microscope (TEM)used to study internal structure of cells, black and white6
14923571405Cell fractionationbreaks up cells and separates components7
14923577204Eukaryotic domainsprotists, fungi, animals, plants8
14923580876Prokaryotic domainsbacteria and archaea9
14923584401Features of all cellsplasma membrane, cytosol, chromosomes, ribosomes10
14923591987Characteristics of eukaryotic cellsDNA is in a nucleus with surrounding cytoplasm11
14923595368Characteristics of prokaryotic cellsno nucleus, DNA is in the nucleoid region, no membrane-bound organelles, cytoplasm12
14923605836Plasma membranebarrier that allows sufficient passage of oxygen and nutrients13
14923616976Difference in eukaryotic and prokaryotic cells14
14923626885Ribosomesuse information from DNA to make proteins15
14923649070Nucleuscontains cells genes16
14923651468Nuclear envelopeencloses the nucleus, separating it from the cytoplasm17
14923657693Nuclear poresregulate the entry and exit of molecules18
14923659475Nuclear laminacomposed of protein, maintains the shape of the nucleus19
14923663891Nucleus diagram20
14923670456Chromosomesdiscrete units that DNA is organized into21
14923671762ChromationDNA and proteins of chromosomes together22
14923678179Nucleolussite of ribosomal RNA (rRNA)23
14923685279Where are ribosomes located?cytoplasm and rough ER24
14923693829Components of the endomembrane systemnuclear envelope, endoplasmic reticulum, golgi apparatus, lysosomes, vacuoles, and plasma membrane25
14923701743Vesiclesconnects endomembrane system components26
14923712111Endoplasmic reticulum is made up of...smooth ER and rough ER27
14923713944Smooth ER distinctionlacks ribosomes28
14923718290Rough ER distinctionsurface is studded with ribosomes29
14923722858Endoplasmic reticulum30
14923732663Functions of the smooth ERsynthesizes lipids, metabolizes carbohydrates, detoxifies drugs and poisons, stores calcium ions31
14923739653Functions of the rough ERhas bound ribosomes which secrete glycoproteins, distributes transport vesicles, membrane factory for the cell32
14923748338Functions of the Golgi apparatusmodifies products of the ER, manufactures certain macromolecules, sorts and packages materials into transport vesicles33
14923754628Cisternaeflattened membranous sacs in the golgi apparatus34
14923760780Golgi apparatus35
14923763972Lysomsomemembranous sac of hydrolytic enzymes that digest macromolecules36
14923774317Phagocytosiscell engulfing another cell and forming a food vacuole37
14923784059Lysosomes and phagocytosis38
14923789665Vacuoleslarge vesicles derived from the ER and Golgi apparatus39
14923792221Food vacuolesformed by phagocytosis40
14923795440Contractile vacuolesfound in freshwater protists, pump excess water out of cells41
14923797842Central vacuolesfound in many mature plant cells, hold organic compounds and water42
14923805184Endomembrane system structure43
14923809428Mitochondriasites of cellular respiration, generates ATP44
14923812579Chloroplastsfound in plants and algae, sites of photosynthesis45
14923819883Endosymbiont theoryexplains that eukaryotic cells may have evolved from prokaryotic cells46
14923829393Endosymbiont theory process47
14923843540Cristaesmooth outer membrane and inner membrane folded in mitochondria48
14923847117Mitochondrial matrixinner membrane of mitochondria49
14923853336Mitochondria structure50
14923865076Where are chloroplasts found?leaves, other green organs of plants and in algae51
14923870324Thylakoidsmembranous sacs stacked to form in a granum in chloroplasts52
14923873813Stromainternal fluid of chloroplast53
14923878198Chloroplasts belongs in a group of plant organelles called...plastids54
14923878199chloroplasts structure55
14925471054peroxisomesspecialized metabolic compartments bounded by a single membrane56
14925474754Peroxisome functionproduce hydrogen peroxide and then convert it to water57
14958588862cytoskeletona network of fibers extending through the cytoplasm that organizes the cell's structure and activity58
14958607756Motor protein and cytoskeleton relationship59
149586374743 main types of fibersmicrotubules, microfilaments, intermediate filaments60
14958637475MicrotubulesThickest, made of protein tubulin, shape and support cell, cilia and flagella, separate chromosomes during cell division61
14958643531MicrofilamentsLong thin fibers, made from actin, in bundles, absorb nutrients in intestines from food, small intestine62
14958646072Intermediate filamentssize in between microfilaments and microtubules, support shape of cell, more permanent than the other 263
14958653607Structure and function of cytoskeleton64
14958736642Layers of cell wallprimary cell wall, middle lamella, secondary cell wall65
14958739732Primary cell wallrelatively thin and flexible66
14958742919Middle lamellathin layer between primary walls of adjacent cells67
14958746377Secondary cell walladded between the plasma membrane and the primary cell wall68
14958755967Plasmodesmatachannels between adjacent plant cells69
14958758754Plant cell wall and plasmodesmata70
14958777156Extracellular Matrix (ECM)made of collagen, proteoglycans, fibronectin, bind to receptor proteins in the plasma membrane called integrins71
14958790892ECM structure72
14958827580Cell junctions73

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