Exam 4: Cell Structure and Function

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Which organelle is most abundant in cardiac muscle cells?

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A

Which pair of organelles is responsible for supplying energy to eukaryotic cells?

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E

The nuclei of eukaryotic cells are characterized by:

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C

Phospholipids are:

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Which of the following is NOT a function of plastids?

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The DNA in a prokaryotic cell is in the ________ region of the cytoplasm.

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The Golgi apparatus packages materials into ________ for transport or export.

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Which of the following "buds off" of the Golgi complex?

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A plant cell adapted for waste storage would probably contain a large number of:

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The cell shown in this figure must be: The cell shown in this figure must be:

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Both prokaryotic and eukaryotic cells possess:

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The ribosomes in eukaryotic cells are larger than the ribosomes in prokaryotic cells. Furthermore, eukaryotic ribosomes are not affected by some chemicals that affect prokaryotic ribosomes, a fact that can be put to good use by microbiologists seeking new antimicrobial drugs. An example of this is the antibiotic erythromycin, which prevents protein synthesis by prokaryotic ribosomes but does not affect eukaryotic ribosomes at all. Thus, erythromycin kills bacteria but does not affect humans or other animals. Using this information, which of the following would be expected and would support the endosymbiont hypothesis?

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Aerobic metabolism occurs in the:

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The cytoplasm of eukaryotic cells contains all of the following EXCEPT:

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A cell that contains a large number of ribosomes would produce a large number of ________ molecules.

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Which of the following provides evidence that mitochondria and chloroplasts were once free-living prokaryotic organisms?

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Fibers of the cytoskeleton are composed of primarily:

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Describe the differences among the nucleolus, nucleus, and nucleoid regions in cells.

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Plastids are found in ________ cells.

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All the following are important functions of the cytoskeleton EXCEPT:

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