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Biochemistry - Water, pH and Macromolecules

Exercise : Water, pH and Macromolecules - Section 1
  • Water, pH and Macromolecules - Section 1
1.
Which of the following organic groups are found in naturally occuring amino acids?
Guanidinium ion
Indole
Imidazole
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Polyprotic acids such as H3PO4, can act as acid-base buffers
only in combination with polyprotic bases
if their concentration is kept low
at pH values around neutrality
at pH values around any of their pKa's
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
The pH of a solution is determined by
concentration of salt
relative concentration of acids and bases
dielectric constant of the medium
environmental effect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The reactions of molecules
are the reactions of the functional groups
are independent of the functional groups
require an enzyme in all cases
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Which of the following indicates that the pK of an acid is numerically equal to the pH of the solution when the molar concentration of the acid and its conjugate base are equal?
Michaelis-Menten equation
Haldanes equation
Henderson-Hasselbalch equation
Hardy-Windberg law
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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