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- 1. Multiple ChoiceCell fractionation can be accomplished by a series of increasingly rapid spins in a centrifuge. What cell organelle will separate out first?ribosomesmitochondriamicrosomesnucleus
- 2. Multiple ChoiceWhich of the following are prokaryotic?plantsfungibacteriaanimals
- 3. Multiple ChoiceWhich of the following is not found in a prokaryotic cell?DNACell wallplasma membraneEndoplasmic reticulum
- 4. Multiple ChoiceLarge numbers of ribosomes are present in cells that specialize in producing which of the following molecules?lipids
lipidsstarchesproteinssteriods - 5. Multiple ChoiceWhich of the following is not a part of the endomenbrane system?mitochondriagolgilysosomesendoplasmic reticulum
- 6. Multiple ChoiceWhich of the following is capable of converting light energy to chemical energy?chloroplastsmitochondriaperoxisomesgolgi
- 7. Multiple ChoiceWhich type of organelle is primarily involved in the synthesis of oils, steroids, phospholipids?ribosomeslysosomessmooth ERmitochondria
- 8. Multiple ChoiceWhich structure is the site of the synthesis of proteins that may be exported from the cell?rough ERlysosomessmooth ERgolgi
- 9. Multiple ChoiceTo which structure would you assign the function of secretion activities leading, for example, to the formation of a new cell wall in plants?smooth ERlysosomesgolgirough ER
- 10. Multiple ChoiceOf the following, which is probably the most common route for membrane flow in the endomembrane system?golgi, lysosome, ER, plasma membranenucleus, lysosome, golgi, plasma membranerough ER, vesicles, golgi, plasma membraneER, chloroplast, mitochondria, plasma membrane
- 11. Multiple ChoiceWhich of the following pairs is mismatched?nucleolus-ribosomal RNAnucleus-DNA replicationlysosome-protein synthesiscytoskeleton-microtubules
- 12. Multiple ChoiceWhich of the following cell components is not directly involved in synthesis or secretion?ribosomesrough ERgolgilysosome
- 13. Multiple ChoiceOf the following, what do both the mitochondria and chloroplasts have in common?ATP productionDNA & ribosomes presentRibosomes present and ATP productionDNA & ribosomes present; ATP production
- 14. Multiple ChoiceGrana, thylakoids, and stroma are all components found in the ____________mitochondriachloroplastslysosomesnucleus
- 15. Multiple ChoiceOrganelles that contain DNA include ___ribosomes, nucleus, mitochondriamitochondria, nucleuschloroplast, mitochondriachloroplast, nucleus, mitochondria
- 16. Multiple ChoiceIn animal cells, hydrolytic enzymes are packaged in _______________________to prevent general destruction of cellular components.central vacuolechloroplastperoxisomelysosome
- 17. Multiple ChoiceWhich of the following is not a known function of the cytoskeleton?to maintain a critical limit of cell sizeto provide mechanical support to te cellto hold organelles in placeto assist in cell motility
- 18. Multiple ChoiceMicrofilaments are well known for their role in which of the following?chromosome separationformation of cleavage furrows, muscle contractions & cellular movementcellular shape & stabilitynuclear division
- 19. Multiple ChoicePlasmodesmata in plant cells are most similar in function to which of the following structures in animal cells?desmosomesgap junctionsglycocayxtight junctions
- 20. Multiple ChoiceThe extracellular matrix is thought to participate in regulation of animal cell behavior by communicating via ____________nuclear DNAintegrinsDNA & RNAlipoproteins in the membrane
- 21. Multiple ChoiceIons can travel directly from the cytoplasm of one animal cell to te cytoplasm of an adjacent cell through ____________plasmodesmatatight juctionsdesmosomesgap junctions
- 22. Multiple ChoiceA bacterial cells DNA is found in its _____________ribosomesnucleusnucleiod regioncapsule
- 23. Multiple ChoiceWhich of the following types of molecules are the major structural components of the cell membrane?phospholipids & cellulosephospholipids & proteinsproteins & cellulosePhospholids & cholesterol
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