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

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

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

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

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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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