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
reduces overall cell size
allows for specialization through merging of different tasks

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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 process that moves small molecules across cell membranes
the mechanism of photosynthesis that occurs in chloroplasts

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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.

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

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Cell Structure and Compartments
According to the fluid mosaic model of cell membranes,

basic membrane structure results from how the proteins interact with water
the membrane is a highly mobile mixture of phospholipids and proteins
the most common type of molecules in the membrane are proteins
the unique properties of cell types are determined by their phospholipids

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