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2.1.5 - Factors affecting membrane structure

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卡片总数: 3 张•内容版本: v4•公开卡包•更新时间: 8/1/2026

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#1
正面 (问题)

Factors affecting membrane structure

背面 (解答)

• Temperature - Solvents

#2
正面 (问题)

Temperature

背面 (解答)

• As you increase temperature, phospholipids have more KE, they move more • Membrane becomes more fluid and begins to lose its structure • This loss of structure increases the permeability of the membrane • If temperatures continue to increase the membrane will eventually break down. Carrier and channel proteins involved will be denatured, these are involved in transport, so permeability will be affected

#3
正面 (问题)

Solvents

背面 (解答)

• Organic solvents are less polar than water • Organic solvents will dissolve membranes, disrupting cells • The membrane becomes more fluid • The membrane becomes more permeable