Membrane Fluidity
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What factors influence membrane fluidity?
Fluidity is influenced by lipid composition, temperature, and cholesterol content.
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How does cholesterol affect membrane fluidity?
Cholesterol decreases fluidity at high temperatures by restricting lipid movement but prevents solidification at low temperatures by disrupting lipid packing.
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What are general functions of membrane proteins?
They function as receptors, transporters, enzymes, anchors for cytoskeletal attachment, and in cell recognition and signaling.
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What role do aquaporins play in membranes?
Aquaporins are multi-pass membrane proteins that facilitate rapid and selective water transport across membranes.
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