Which of the following molecules is amphipathic?

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Correct Answer: E. phospholipids
An amphipathic molecule has both a hydrophilic (“water loving”) and a hydrophobic (“water fearing”) region. Water is hydrophilic, whereas a triglyceride (or lipid) is hydrophobic. Glucose is also hydrophilic. Steroids are derived from lipids and also would be hydrophobic. A phospholipid is made of a phosphate group (hydrophilic) and two fatty acid chains (hydrophobic) and is amphipathic.
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