Chapter+11+Worksheet

Chapter+11+Worksheet - Biology 310 Worksheet Chapter 11...

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Biology 310 Worksheet Chapter 11 Worksheet (Biological Membranes and Transport) Key Concepts -What bio molecules are membranes composed of? -Which membrane lipids are found on the outer leaflet of the plasma membrane? - Which membrane lipids are found on the inner leaflet of the plasma membrane? -What is meant by the term “functional asymmetry” in membrane proteins? -What is the difference between integral and peripheral membrane proteins? -How can peripheral proteins be dissociated from the membrane? -Can integral proteins be completely on one leaflet of the lipid bilayer? -What is meant by the term semi-permeable in reference to the bilayer? -Why is the term “fluid mosaic” used to describe the lipid bilayer? -What does the term “sidedness” mean in reference to the lipid bilayer? -What are the 3 classes of membrane lipids that biological membranes are composed of? -__________________________________ -__________________________________ -__________________________________ -What are the 3 structures that membrane lipids form? -__________________________________ -__________________________________ -__________________________________ -Which of these 3 is most stable? -Where is there instability in a 2D lipid-bilayer and why?
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Biology 310 Worksheet -What two factors affect degree of mobility in a membrane? -What state do lower temperatures favor? -Which state do higher temperatures favor? -What state is preferred by cells? -What affect does adding sterols to membrane have on membrane transition temp? And why do they have this effect? -Can lipids change leaflets within the bilayer?
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Chapter+11+Worksheet - Biology 310 Worksheet Chapter 11...

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