Download Cell Biology Exam Prep: Prokaryotic vs Eukaryotic Cells & Organelles and more Exams Biology in PDF only on Docsity!
Indiana 5 University 5 Bloomington 5
BIOL-L 5 112 5 Powerpoint 5 2 5 exam 5 with 5
verified 5 solutions
Light 5 microscope 5 - 5 Correct 5 answer 5 ✔Objective 5 lens 5 and 5 ocular 5 glass 5 lenses Light 5 microscope 5 power 5 - 5 Correct 5 answer 5 ✔1000-1500x Transmission 5 Electron 5 Microscope 5 (TEM) 5 - 5 Correct 5 answer 5 ✔Illumination 5 provided 5 by 5 electron 5 beam Transmission 5 electron 5 microscope 5 power 5 - 5 Correct 5 answer 5 ✔Magnification 5 2 5 million 5 times; 5 2 5 to 5 4 5 Angstroms Scanning 5 electron 5 microscope 5 (SEM) 5 - 5 Correct 5 answer 5 ✔Electrons 5 do 5 not 5 pass 5 through 5 specimen; 5 great 5 3D 5 image Scanning 5 electron 5 microscope 5 power 5 - 5 Correct 5 answer 5 ✔Less 5 than 5 TEM. Prokaryotic 5 cells 5 - 5 Correct 5 answer 5 ✔do 5 not 5 have 5 a 5 nucleus 5 or 5 other 5 membrane-bound 5 organelles
Eukaryotic 5 cells 5 - 5 Correct 5 answer 5 ✔Contain 5 a 5 nucleus 5 and 5 other 5 organelles 5 that 5 are 5 bound 5 by 5 membranes. Prokaryote 5 Plasma 5 membrane 5 - 5 Correct 5 answer 5 ✔Encloses 5 cytoplasm Prokaryote 5 Cell 5 wall 5 - 5 Correct 5 answer 5 ✔Provides 5 rigidity Prokaryote 5 Capsule 5 - 5 Correct 5 answer 5 ✔Sticky 5 coating Prokaryote 5 Flagellum 5 - 5 Correct 5 answer 5 ✔For 5 propulsion Prokaryote 5 ribisomes 5 - 5 Correct 5 answer 5 ✔Synthesize 5 proteins Prokaryote 5 nucleoid 5 - 5 Correct 5 answer 5 ✔Contains 5 DNA Prokaryote 5 pili 5 - 5 Correct 5 answer 5 ✔Attachment 5 structures ___________________ 5 attach 5 to 5 the 5 outside 5 of 5 gram-negative 5 bacterial 5 cell 5 walls 5 - 5 Correct 5 answer 5 ✔Lipopolysaccharides Animal 5 cell 5 cytoskeleton 5 - 5 Correct 5 answer 5 ✔protein 5 filaments 5 that 5 provide 5 shape 5 and 5 aid 5 in 5 movement
Smooth 5 ER 5 - 5 Correct 5 answer 5 ✔That 5 portion 5 of 5 the 5 endoplasmic 5 reticulum 5 that 5 is 5 free 5 of 5 ribosomes. 5 Makes 5 lipids. Unlike 5 animal 5 cells, 5 plant 5 cells 5 have 5 - 5 Correct 5 answer 5 ✔1. 5 Chloroplasts
- 5 Cell 5 walls 5 made 5 of 5 cellulose Plasma 5 membrane 5 fluid 5 mosaic 5 model 5 - 5 Correct 5 answer 5 ✔Phospholipid 5 bilayer 5 with 5 a 5 diversity 5 of 5 proteins 5 allowing 5 for 5 transport 5 across 5 the 5 membrane. Nucleus 5 is 5 separated 5 from 5 cytoplasm 5 by 5 a 5 double 5 membrane 5 called 5 the 5 _______________ 5 _________________. 5 - 5 Correct 5 answer 5 ✔Nuclear 5 envelope. The 5 nuclear 5 envelope 5 has 5 _____________ 5 for 5 selective 5 transport 5 of 5 substances 5 across 5 it. 5 - 5 Correct 5 answer 5 ✔Pores Nucleolus 5 - 5 Correct 5 answer 5 ✔Where 5 ribosome 5 precursors 5 are 5 assembled. Chromatin 5 - 5 Correct 5 answer 5 ✔Long 5 DNA 5 molecules 5 & 5 associated 5 proteins Nucleosome 5 - 5 Correct 5 answer 5 ✔Unit 5 of 5 DNA 5 packaging Human 5 DNA 5 length 5 - 5 Correct 5 answer 5 ✔ 2 5 meters
Human 5 DNA 5 packing 5 - 5 Correct 5 answer 5 ✔ 3 5 billion 5 nucleotides, 5 packed 5 into 5 10 5 um 5 human 5 nucleus; 5 packing 5 ratio 5 10,000x Average 5 human 5 chromosome 5 length 5 - 5 Correct 5 answer 5 ✔4.5 5 um Linear 5 DNA 5 packing 5 ratio 5 - 5 Correct 5 answer 5 ✔1x Nucleosome 5 packing 5 ratio 5 - 5 Correct 5 answer 5 ✔6x Nucleosome 5 around 5 30nm 5 fiber 5 packing 5 ratio 5 - 5 Correct 5 answer 5 ✔1,000x Mitotic 5 chromosome 5 packing 5 ratio 5 - 5 Correct 5 answer 5 ✔10,000x Ribosomes 5 (more 5 detailed) 5 - 5 Correct 5 answer 5 ✔ 4 5 rRNAs 5 and 5 ~80 5 rproteins; 5 partially 5 assembled 5 in 5 the 5 nucleolus 5 & 5 completely 5 in 5 the 5 cytoplasm Protein 5 synthesis 5 - 5 Correct 5 answer 5 ✔DNA 5 -> 5 mRNA 5 -> 5 protein The 5 mRNA 5 goes 5 to 5 the 5 - 5 Correct 5 answer 5 ✔ribosomes Ribosomes 5 translate 5 - 5 Correct 5 answer 5 ✔mRNA 5 into 5 proteins
Food 5 vacuoles 5 fuse 5 with 5 lysosomes 5 - 5 Correct 5 answer 5 ✔exposing 5 food 5 to 5 enzymes 5 to 5 digest 5 the 5 food Small 5 molecules 5 from 5 digestion 5 leave 5 the 5 lysosome 5 and 5 - 5 Correct 5 answer 5 ✔nourish 5 the 5 cell Peroxisome 5 - 5 Correct 5 answer 5 ✔Bounded 5 by 5 a 5 single 5 bi-lipid 5 layer 5 membrane Peroxisome 5 contains 5 enzymes 5 for 5 - 5 Correct 5 answer 5 ✔Breakdown 5 of 5 fatty 5 acids, 5 detoxification 5 (via 5 oxidation) 5 of 5 substances 5 e.g. 5 drugs 5 and 5 alcohol. Central 5 vacuoles 5 of 5 plants 5 - 5 Correct 5 answer 5 ✔1. 5 Store 5 organic 5 nutrients 5 & 5 waste 5 (bitter 5 taste 5 to 5 animals)
- 5 Break 5 down 5 waste
- 5 Absorb 5 water
- 5 May 5 contain 5 pigments 5 or 5 poisons Tonoplast 5 - 5 Correct 5 answer 5 ✔Membrane 5 that 5 surrounds 5 a 5 vacuole 5 in 5 a 5 plant 5 cell Vacuoles 5 in 5 animal 5 cells 5 are 5 - 5 Correct 5 answer 5 ✔relatively 5 small
Chloroplast 5 uses 5 photosynthesis 5 to 5 make 5 food, 5 passes 5 that 5 food 5 on 5 to 5 the 5 mitochondrion. 5 - 5 Correct 5 answer 5 ✔Mitochondrion 5 performs 5 cellular 5 respiration 5 to 5 make 5 ATP. Mitochondrion 5 structure 5 - 5 Correct 5 answer 5 ✔Outer 5 membrane; 5 inner 5 membrane; 5 cristae; 5 space 5 between 5 membranes Mitochondria 5 and 5 chloroplasts 5 contain 5 their 5 own 5 _________ 5 - 5 Correct 5 answer 5 ✔DNA 5 (which 5 encodes 5 some 5 of 5 their 5 proteins) Endosymbiont 5 theory 5 - 5 Correct 5 answer 5 ✔The 5 theory 5 that 5 mitochondria 5 and 5 plastids, 5 including 5 chloroplasts, 5 originated 5 as 5 prokaryotic 5 cells 5 engulfed 5 by 5 an 5 ancestral 5 eukaryotic 5 cell. 5 The 5 engulfed 5 cell 5 and 5 its 5 host 5 cell 5 then 5 evolved 5 into 5 a 5 single 5 organism. Chloroplasts 5 contain 5 the 5 green 5 pigment 5 - 5 Correct 5 answer 5 ✔chlorophyll, 5 as 5 well 5 as 5 enzymes 5 and 5 other 5 molecules 5 that 5 function 5 in 5 photosynthesis The 5 cytoskeleton 5 - 5 Correct 5 answer 5 ✔Contains 5 several 5 fibers 5 made 5 from 5 different 5 proteins. 5 Functions 5 for:
- 5 Mechanical 5 support
- 5 Shape
- 5 Movement Microtubules 5 in 5 the 5 cytoskeleton 5 - 5 Correct 5 answer 5 ✔Straight 5 and 5 hollow 5 tubes 5 that 5 guide 5 the 5 movement 5 of 5 organelles 5 and 5 chromosomes
