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

the cytoskeleton of eukaryotic cells
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

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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
Eukaryotic cells are more efficient than prokaryotes because their internal compartmentalization

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

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