Quiz 5 Key

Quiz 5 Key - Fall 2011 Cell Biology Quiz 5 4) List the 3...

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Fall 2011 Cell Biology Quiz 5 Name: _______________________ Dr. Sarah Rothschild 1. The term that describes the simultaneous hydrophobic and hydrophilic nature  of a phospholipid is:  a. Amphibious b. Amphipathic c. Amphoteric d. Amphitaxis 2. A single phospholipid is generally composed of:  a. Two conjoined liposomes b. Cholesterol and a hydrocarbon tail c. Phospholipase C and a hydrocarbon tail d. A polar head group and hydrocarbon tail 3. Which of the following is NOT a type of membrane protein associated with the  lipid bilayer?  a. Transmembrane b. Bilayer associated c. Protein-attached d. Lipid-attached
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Unformatted text preview: Fall 2011 Cell Biology Quiz 5 4) List the 3 primary functions the phospholipid bilayer provides for the cell all three required for full credit. a) Receiving information (via membrane receptors) b) Import/export of molecules (endocytosis/exocytosis, channels/pumps) c) Movement/expansion (allows cell movement and shape change) 5) Triton X-100 and sodium dodecyl sulfate are both typical examples of detergents ; chemicals that disrupt hydrophobic associations and assist in the destruction of the lipid bilayer....
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Quiz 5 Key - Fall 2011 Cell Biology Quiz 5 4) List the 3...

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