Quiz_2_KEY - BIO311C Quiz #2 March 7, 2008 Name: _ UT EID:...

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BIO311C Quiz #2 March 7, 2008 Name: _________________________________________ UT EID: _______________ Using a pen , please select/write the best answer for questions below. Good Luck! Multiple choice (1.5 pts each) 1. From the perspective of the cell receiving the message, the three stages of cell signaling are A) the paracrine, local, and synaptic stages. B) signal reception, signal transduction, and cellular response. C) signal reception, nucleus disintegration, and new cell generation. D) the alpha, beta, and gamma stages. 2. The ability of a single ligand bound to a receptor protein to trigger several pathways is A) characteristic of the synaptic signal system. B) unique to the yeast mating system. C) rare in animals, but common in bacteria. D) a key difference between the tyrosine-kinase and G-protein-linked receptor systems. 3. Which of the following is/are chemical messengers that pass through the plasma membrane of cells and have receptor molecules in the cytoplasm? A) a small hydrophilic protein
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This note was uploaded on 04/16/2008 for the course BIO 311C taught by Professor Satasivian during the Spring '08 term at University of Texas at Austin.

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Quiz_2_KEY - BIO311C Quiz #2 March 7, 2008 Name: _ UT EID:...

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