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Kaplan Qbank USMLE



Author4 Posts
  #1

Proteins are effective buffers because they contein
A) a large number of amino acids
B) amino acids residues with different pKaS
C) N-terminal and C-terminal residues that can donate and acceptprotons
D) a large number of Hydrogen bonds in Alfa-helices

  #2

B- AA residues with different PK's

  #3

B...

Though C is tempting

  #4

yes the correct anwer is b. but im agree with you asmi because c it can trick you easily dont you think so







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