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

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

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

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
assist with cell movement

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