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

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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 unique properties of cell types are determined by their phospholipids
the membrane is a highly mobile mixture of phospholipids and proteins

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

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
the cytoskeleton of eukaryotic 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 all participate in the degradation of large amounts of ATP
They are all embedded proteins in plasma membranes
They all participate in the production of large amounts of ATP
They are components in the reactions of photosynthesis

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