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Kaplan Qbank USMLE



Author4 Posts
  #1

The molecular basis for the resistance of pneumococci to penicillin G is

a. beta-lactamase production
b. changes in penicillin binding proteins
c. decreased intracellular accumulation of penicillin G
d. changes in D-Ala-D-Ala building block of peptidoglycan precursor
e. changes in porin structure

  #2

b?

  #3

b. changes in penicillin binding proteins


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FORUM RULES-- Those who believe in telekinesis, raise my hand. I get enough exercise just by pushing my luck --P4U World.." The pure and simple truth is rarely pure and never simple."

  #4

B is correct smiling face







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