D103 midterm questions and answers 100% verified.
D103 midterm questions and answers 100% verified. Which of the following size relationships is most correct? - correct answers.Mitochondria size vesicle size membrane thickness Which of the following processes can be readily studied in the budding yeast Saccaromyces cerevisae? - correct answers.Protein transport Why is cholesterol able to integrate into lipid bilayer? - correct answers.Because it has an amphiphatic organization, similar to membrane lipids Which of the following states is true for phosphatidic acid (PA) and phosphatidylcholine (PC)? - correct answers.Both have an amphipathic organization Which activity can only be done by a transmembrane protein? - correct answers.Signal from one side of the membrane to the other You now acquire much knowledge for cell membrane from the summer D103 class. One of your friends who is working in San Diego Zoo asks you to predict which of the following organisms will have the highest percentage of unsaturated fatty acid chains in their cell membranes. After analysis their cell membrane fluidity conditions, you come the answer: - correct answers.Antarctic bacterium Imagine a small synthetic vesicle made from pure phospholipids(formed as lipid bilayer). Its lumen contains 1 mM Glucose and 1 mM sodium chloride. If the vesicle is placed in pure water, which of the following happens fastest? - correct answers.H2O diffused in In contrast to transporters, channel proteins in cellular membrane - correct answers.Can only mediate passive transport Which of the following processes takes place in the inner membrane of mitochondria? - correct answers.Electron transport between components of the respiratory chain
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