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 plasma membrane
the nuclear envelope
the cytoskeleton
the mitochondrion

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Cell Structure and Compartments
The highly folded membranes found in such eukaryotic organelles as mitochondria and chloroplasts

increase the surface area where key chemical processes can occur
assist with cell movement
make it possible to package large amounts of DNA within the cell
help the cell against physical damage

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Cell Structure and Compartments
Microtubules, motor proteins, and actin filaments are all part of

the cytoskeleton of eukaryotic cells
the rough ER (endoplasmic reticulum) in prokaryotic cells
the mechanism of photosynthesis that occurs in chloroplasts
the process that moves small molecules across cell membranes

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

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

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