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

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Cell Structure and Compartments
Which of the following statements about prokaryotes is false?

Prokaryotic cells are much smaller than most eukaryotic cells
The substance known as cytosol is found within the bacterial nucleus
Ancient prokaryotes may have given rise to some eukaryotic organelles
Prokaryotic cells concentrate important materials for the cells survival

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

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

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