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Practice problem

Cell Membrane — Structure & Function

By Hannah Bonville
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Made of two layers of phospholipids (phosphate heads oriented outwards and fatty acid tail pointing towards each other), the phospholipid bilayer looks like a sandwich.

Image source: By Stephen Gilbert CC-BY-SA-3.0, via Wikimedia Commons

The image above shows a portion of the cell membrane, also called the phospholipid bilayer. Use this drawing to help you answer the question below.

Which of the following statements is correct about these phospholipids?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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