BIO 348 CHAPTER 15: INTRACELLULAR COMPARTMENTS AND PROTEIN
TRANSPORT EXAM AND 100% CORRECT ANSWERS GRADED A+ 2025
1. Organelles -Distinctmembrane-
boundcompartmentsisolated from each
other and the cytosol
-FoundonlyinEukaryoticcells
-Serve specific and particular metabolic
functions withinthecell
2. Cytosol contains many metabolic pathways; protein
synthe-sis; the cytoskeleton
3. nucleus containsmaingenome;DNAandRNAsynthesis
4. EndoplasmicReticulum(ER) synthesisofmostlipids;synthesisofproteinsfor
distributiontomanyorganellesandtotheplas
ma membrane
5. Golgi apparatus
modification,sorting,andpackagingofproteinsa
nd
lipidsforeithersecretionordeliverytoanotheror-
ganelle
6. lysosomes intracellulardegradation
7. endosomes sortingofendocytosedmaterial
8. mitochondria ATPsynthesisbyoxidativephosphorylation
9. Chloroplasts(inplantcells) ATPsynthesisandcarbonfixationbyphotosynthesis
1/85
, BIO 348 CHAPTER 15: INTRACELLULAR COMPARTMENTS AND PROTEIN
TRANSPORT EXAM AND 100% CORRECT ANSWERS GRADED A+ 2025
10. Peroxisomes oxidative breakdown of toxic
molecules 11.
2/85
, BIO 348 CHAPTER 15: INTRACELLULAR COMPARTMENTS AND PROTEIN
TRANSPORT EXAM AND 100% CORRECT ANSWERS GRADED A+ 2025
The relative volumes and numbers of the major membrane-enclosed
organelles in a liver cell
12. OrganelleImage
13. evolutionoftheendomembra -anaerobicarchaeontoanaerobiceukaryoticcell
ne system -nuclearmembrane,ER,nucleus
14. endosymbiosis evolutionofmitochondriaandchloroplasts
15. Protein sorting -In order for each organelle to serve its
particular function as well as grow, it must have
the appropriate proteins and membrane
proteins within
-Allproteinsgetmadebyribosomesinthecytosol
-Thereareditterentmechanismsbywhichspecific
proteinsgettransportedtotheirappropriateintra-
cellularlocation
1. Nuclear proteins get transported via
nuclear pores
2. ER, Chloroplasts, Mitochondrial proteins
3/85
, BIO 348 CHAPTER 15: INTRACELLULAR COMPARTMENTS AND PROTEIN
TRANSPORT EXAM AND 100% CORRECT ANSWERS GRADED A+ 2025
are trans- ported into the respective
organelles via protein
4/85
TRANSPORT EXAM AND 100% CORRECT ANSWERS GRADED A+ 2025
1. Organelles -Distinctmembrane-
boundcompartmentsisolated from each
other and the cytosol
-FoundonlyinEukaryoticcells
-Serve specific and particular metabolic
functions withinthecell
2. Cytosol contains many metabolic pathways; protein
synthe-sis; the cytoskeleton
3. nucleus containsmaingenome;DNAandRNAsynthesis
4. EndoplasmicReticulum(ER) synthesisofmostlipids;synthesisofproteinsfor
distributiontomanyorganellesandtotheplas
ma membrane
5. Golgi apparatus
modification,sorting,andpackagingofproteinsa
nd
lipidsforeithersecretionordeliverytoanotheror-
ganelle
6. lysosomes intracellulardegradation
7. endosomes sortingofendocytosedmaterial
8. mitochondria ATPsynthesisbyoxidativephosphorylation
9. Chloroplasts(inplantcells) ATPsynthesisandcarbonfixationbyphotosynthesis
1/85
, BIO 348 CHAPTER 15: INTRACELLULAR COMPARTMENTS AND PROTEIN
TRANSPORT EXAM AND 100% CORRECT ANSWERS GRADED A+ 2025
10. Peroxisomes oxidative breakdown of toxic
molecules 11.
2/85
, BIO 348 CHAPTER 15: INTRACELLULAR COMPARTMENTS AND PROTEIN
TRANSPORT EXAM AND 100% CORRECT ANSWERS GRADED A+ 2025
The relative volumes and numbers of the major membrane-enclosed
organelles in a liver cell
12. OrganelleImage
13. evolutionoftheendomembra -anaerobicarchaeontoanaerobiceukaryoticcell
ne system -nuclearmembrane,ER,nucleus
14. endosymbiosis evolutionofmitochondriaandchloroplasts
15. Protein sorting -In order for each organelle to serve its
particular function as well as grow, it must have
the appropriate proteins and membrane
proteins within
-Allproteinsgetmadebyribosomesinthecytosol
-Thereareditterentmechanismsbywhichspecific
proteinsgettransportedtotheirappropriateintra-
cellularlocation
1. Nuclear proteins get transported via
nuclear pores
2. ER, Chloroplasts, Mitochondrial proteins
3/85
, BIO 348 CHAPTER 15: INTRACELLULAR COMPARTMENTS AND PROTEIN
TRANSPORT EXAM AND 100% CORRECT ANSWERS GRADED A+ 2025
are trans- ported into the respective
organelles via protein
4/85
