Multiple Choice
Which type of compound minimizes pH fluctuations in the fluids of living organisms?
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2. Water
Buffer Solution
Back2. Water
Buffer Solution
- Multiple ChoiceGiven four proteins with isoelectric points (pI) of 4.5, 6.0, 7.5, and 9.0, at which buffer pH would exactly two of the proteins adhere to a cation-exchange column?27views
- Multiple ChoiceWhich of the following is NOT one of the body's chemical buffering systems?21views
- Multiple ChoiceWhich of the following is a major chemical buffering system in the human body?17views
- Multiple ChoiceWhich of the following best explains how proteins and amino acids influence body pH?20views
- Multiple ChoiceWhich buffer system accounts for approximately 75% of all chemical buffering in the body fluids?21views
- Multiple ChoiceWhich of the following phrases best describes the protein buffer system?20views
- Multiple ChoiceHow do proteins contribute to the acid-base balance of the blood?19views
- Multiple ChoiceWhich of the following is considered the fastest-acting buffering mechanism in the human body?24views
- Multiple ChoiceThe buffering ability of proteins is primarily due to which two of the following?23views
- Multiple Choice
A. What volume of 0.1 M acetic acid (pK a = 4.8) is required to make 1 liter of 0.1 M buffer solution at pH = 5.8?
B. What volume of 0.1 M sodium acetate is required to make the same buffer solution?
a. 193 mL
b. 91 mL
c. 909 mL
d. 807 mL
434views2rank3comments - Multiple Choice
Which of the following compounds would make for the best buffer at pH 8?
475views3rank - Multiple Choice
MOPS (pKa =7.2) is a weak acid & acts as a buffer. Calculate the ratio of its basic/acidic species at pH = 6.0.
383views4rank3comments