TLS Online TPP Program

#Question id: 32132


For guanine, the pKa value is 

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. 4 for N-1 and less than 5 for N-3
  2. 3 for N-1 and less than 7 for N-3
  3. 9.4 for N-1 and less than 5 for N-3
  4.  4 for N-1 and less than 9 for N-3