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 mitochondrion
the plasma membrane
the nuclear envelope
the cytoskeleton

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

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

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

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

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