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

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

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

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

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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.

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

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