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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
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TLS Online TPP Program

#Question id: 11192

#Unit 7. System Physiology – Animal

A graded hyperpolarization of a membrane can be induced by ________.
TLS Online TPP Program

#Question id: 10908

#Unit 6. System Physiology – Plant

The energy is necessary to move photosynthate from producing cells into the sieve elements. This movement of photosynthate is called
TLS Online TPP Program

#Question id: 28201

#Unit 5. Developmental Biology

 Which of the following is correct about Instructive interaction? 
TLS Online TPP Program

#Question id: 1287

#Unit 4. Cell Communication and Cell Signaling

Biological roles of proteoglycans and hyaluronan include all of the following, except:
TLS Online TPP Program

#Question id: 1945

#Unit 4. Cell Communication and Cell Signaling

Neonatal myasthenia gravis is thought to be caused by: