Cell Structure and Compartments
A certain cell organelle which is made of a double phospholipid bilayer that has many large pores in it, is most likely

the cytoskeleton
the nuclear envelope
the mitochondrion
the plasma membrane

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Cell Structure and Compartments
Lysosomes are specialized vesicles in __________ that contain digestive enzymes for the breakdown of food. A related organalle known as a vacuole, which is found in __________ , also contains enzymes but in addition may act as a storage organelle for nutrients or water.

plants and fungi; animals
animals and plants; fungi
plants; animals and fungi
animals; plants and fungi

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Cell Structure and Compartments
Which of the following statements about prokaryotes is false?

The substance known as cytosol is found within the bacterial nucleus
Prokaryotic cells concentrate important materials for the cells survival
Ancient prokaryotes may have given rise to some eukaryotic organelles
Prokaryotic cells are much smaller than most eukaryotic cells

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Cell Structure and Compartments
Eukaryotic cells are more efficient than prokaryotes because their internal compartmentalization

allows for specialization through the subdivision of particular tasks
reduces overall cell size
makes each compartment nutritionally independent of all others
allows for specialization through merging of different tasks

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