Cell Structure and Compartments
What do dystrophin, utrophin, actin, and tubulin have to do with eukaryotic cell structure and function?

They are all embedded proteins in plasma membranes
They are components in the reactions of photosynthesis
They all participate in the production of large amounts of ATP
They all participate in the degradation of large amounts of ATP

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

the mechanism of photosynthesis that occurs in chloroplasts
the process that moves small molecules across cell membranes
the rough ER (endoplasmic reticulum) in prokaryotic cells
the cytoskeleton of 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 merging of different tasks
allows for specialization through the subdivision of particular tasks
reduces overall cell size
makes each compartment nutritionally independent of all others

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

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

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