Cell Structure and Compartments
In which of the following cell organelles, it is expected to find the biochemical reactions that harness energy from the breakdown of sugar molecules to synthesize large amounts of ATP?

Lysosome
Mitochondria
Plasma membrane
Vesicles

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

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

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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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