Cell Structure and Compartments
Which of the following macromolecules are found in the plasma membrane?

Lipids and proteins only
Lipids, proteins, and carbohydrates
Proteins and carbohydrates only
Proteins only

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

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

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

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

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

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