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TLS Online TPP Program

#Question id: 158


At the isoelectric pH of a tetrapeptide:

#Unit 1. Structure and Function of Biomolecules
  1. only the amino and carboxyl termini contribute charge.

  2. the amino and carboxyl termini are not charged.

  3. the total net charge is zero.

  4. there are four ionic charges


Answer:- Option(s): 3


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