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Unformatted text preview: HW 6 Sathasivan (49750) 1 This print-out should have 10 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points A cotransport protein allows two different substances to pass through a membrane. Which of the following is an example of pri- mary active transport in a coupled transport system? 1. facilitated difusion 2. ATP synthase 3. a symport 4. ATP/ADP translocase 5. a proton pump correct Explanation: A proton pump is the primary active trans- port that helps the coupled transport system. 002 10.0 points When vesicles from the Golgi apparatus de- liver their contents to the exterior of the cell, they add their membranes to the plasma membrane. The plasma membrane does not increase in size, because 1. membrane vesicles carry proteins from the endoplasmic reticulum to the Golgi appa- ratus. 2. new phospholipids are synthesized in the endoplasmic reticulum. 3. the phospholipids become more tightly packed together in the membrane....
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This note was uploaded on 11/17/2010 for the course BIO 311C taught by Professor Satasivian during the Spring '08 term at University of Texas at Austin.
- Spring '08