Textbook Notes (368,107)
United States (205,941)
Boston College (1,174)
Biology (106)
BIOL 1300 (21)
Chapter

9-11-12.docx

3 Pages
72 Views
Unlock Document

Department
Biology
Course
BIOL 1300
Professor
Carol Chaia Halpern
Semester
Fall

Description
Macromolecules Tuesday, September 11, 2012 8:50 AM pH • pH is a measure of the hydrogen ion concentration of a solution.(it is the negative log of the hydrogen ion concentration) • In water occasional dissociation of water molecules leads to the formation of a hydrogen ion and a hydroxyl ion • In pure water an equal number of each are formed the concentration of hydrogen ions and hydroxyl ions are equal and this the pH is said to be neutral-neither acidic or basic-pH of 7 • Addition of compounds that contribute hydrogen ions will acidify the solution and thus lower the pH • Acidosis- blood pH goes down to a life threatening level Buffers • Buffers are important for the maintenance of the cellular and body fluids pH • They are molecules that can "pick up" or release hydrogen ions, and thus alter the hydrogen ion   concentration and pH • The bicarbonate buffer system is an example of this: + ­ • H  +  HCO3  2 C3  due to differences in the structural formulas.  
More Less

Related notes for BIOL 1300

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit