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Cell Biology: Membranes, Signaling, and Enzymes — Study Materials Practice Quiz
Test your knowledge of Cell Biology: Membranes, Signaling, and Enzymes — Study Materials with 11 practice questions. Get instant feedback and detailed explanations to identify gaps and improve your understanding.
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Question 1 of 110 answered
Which of the following changes would most increase membrane fluidity at physiological temperature according to the slides?
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Correct answer: Increasing the proportion of unsaturated phospholipid tails
Unsaturated fatty-acid tails introduce kinks that prevent tight packing of lipids, increasing membrane fluidity. Longer or more saturated tails decrease fluidity; peripheral proteins do not substantially change the lipid packing.
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