Physiology 2130 Lecture 12: Module 12 study guide
6 May 2016
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By the end of this section, you should be able to: Why is this important: many chemical reactions that take place in the body are sensitive to hydrogen, hydrogen ions can alter the shape of proteins which will affect the activity of enzymes and speed up a reaction. Describe a hydrogen atom and ion: hydrogen atoms have a single electron and a single proton making it neutral, a hydrogen ion is a hydrogen atom that lost its election, making it positive. Any solution that will release hydrogen when put in a solution is an acid. The presence of hydrogen, make a solution acidic and the more hydrogen in a solution, the more acidic it will be. Highly acidic solutions (solutions with lots of hydrogen) will dissociate very quickly: bases: Any molecule that will accept a hydrogen atom is a base.
