Lecture_1-3_clickers

Lecture_1-3_clickers - nuclear envelope localization. A....

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1 The gene Src normally is activated by extracellular signals called growth factors. When the growth factors are present, Src instructs the cell to divide. A mutant form of Src is found in many cancer tumors. The mutant form of Src is active in the absence of growth factors. The mutated Src is a: A. Tumor suppressor gene B. Oncogene C. Cancer gene D. Protooncogene The Starr lab works on a protein called ANC-1. It is a large protein, 8500 amino acids and ANC-1 localizes to the nuclear envelope. When the last 60 amino acids of ANC-1 are expressed alone in cells, it localizes to the nuclear envelope. We therefore conclude that the last 60 amino acids of ANC-1 are ______ for
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Unformatted text preview: nuclear envelope localization. A. Sufficient B. Necessary C. Both sufficient and necessary D. Neither sufficient or necessary 2 - + Crude Lysate 1000xg S/N 12000g pellet supernatant: 12,000xg 50,000xg pellet A. B. C. 50,000xg S/N D. #1 Where in the cell does protein C reside? A. Golgi B. Nucleus C. Cytosol D. ER E. Mitochondria #2 Where does protein D reside? C. cytosol #3 Which is the biggest protein? A., B., C., or D.? (ans: A) How can we determine which membrane organelle protein C is in? Density equilibrium centrifugation Microscopy...
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This note was uploaded on 03/31/2012 for the course BIS 104 taught by Professor Scholey during the Winter '08 term at UC Davis.

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Lecture_1-3_clickers - nuclear envelope localization. A....

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