2-17-10pHGuardCellsGraphs - 1.9 Phosphorylation is a major...

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BIOL 13100 Biology II: Development, Structure, and Function of Organisms Nancy Pelaez, Feb 17, 2010, Purdue University, Spring 2010 Freeman (‘08)  Ch 2 Lecture 17:  pH and empirical evidence about guard cell function
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acids and the pH scale 1.1 Protons and the hydronium ion 1.2 pH represents a log scale 1.3 Charges on amino acids reflect pH guard cell functions 1.4 Acidification of extracellular fluid near guard cells in response to blue light. 1.5 Osmosis causes turgor to open stomata 1.6 Roots communicate with shoots – understand the experimental evidence signal transduction cascades and signal amplification 1.7 Cells communicate with other cells and with their environment  1.8 Ligands can be agonists or antagonist. 
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Unformatted text preview: 1.9 Phosphorylation is a major way by which protein activity is regulated. Phosphates are added by kinases and removed by phosphatases. 1.10 Scientists collect tangible data on variables that can be manipulated and measured. For example, a residue that would be phosphorylated might be replaced with one that cannot be phosphorylated (mutagenesis: Ser -> Ala). 1.11 Experimental evidence involves quantitative variables or categorical variables BIOL13100 Assignments read Chapter 39 Plant sensory systems Try to finish Problem Set 4 by Monday. Expect a pop quiz soon! CPR 3 is due on Tuesday....
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2-17-10pHGuardCellsGraphs - 1.9 Phosphorylation is a major...

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