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Protein Membranes

Protein Membranes. By Simon Da Silva. M embranes. Membranes surround cells and control the chemicals moving in and out Contains various chemicals, mainly proteins and lipids The membrane also serves as a cell wall Membrane lipids- made of phospholipids, glycolipids, and cholesterol.

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Protein Membranes

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  1. Protein Membranes By Simon Da Silva

  2. Membranes • Membranes surround cells and control the chemicals moving in and out • Contains various chemicals, mainly proteins and lipids • The membrane also serves as a cell wall • Membrane lipids- made of phospholipids, glycolipids, and cholesterol.

  3. Phospholipids • Hydrophilic - atracted to water • Hydrophobic – not attracted to water but to each other • Phospholipid are both philic and phobic • Phosphate head is hydrophilic and the two tails are hydrophobic • This makes a very stable membrane

  4. Membrane Proteins • Transport hormones, enzymes, electrons, specific substances, and release ATP.

  5. Facilitated Diffusion

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