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AP Biology Flashcards: Lipids

Study Lipids in AP Biology with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What distinguishes omega-3 from omega-6 fatty acids?

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ANSWER

Position of the first double bond from the methyl end. Number indicates double bond location from methyl end.

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AP Biology: Chemistry of Life

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What this deck covers

This deck focuses on Lipids, giving you a quick way to review the definitions, rules, and examples that matter most for AP Biology.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 40Practice questions for this set
A student builds artificial membranes using phospholipids. Each phospholipid has a glycerol backbone, two fatty acid tails, and a phosphate-containing head group. In water, the phosphate head is polar and interacts with water, while the hydrocarbon tails are nonpolar and avoid water. When phospholipids are shaken in water, they spontaneously form bilayers with heads facing outward and tails facing inward, creating a hydrophobic interior. Which statement best explains why a small nonpolar molecule crosses this bilayer faster than a charged ion?
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