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TLS Online TPP Program

#Question id: 1674

Which of the following statements is TRUE of receptor editing?

#SCPH05 I Biotechnology

  1. Has been described for antibody but not TCR

  2. Is associated with reexpression of RAG-1 in germinal centers

  3. Can involve V genes which are 3′ of the initially selected V gene

  4. Involves the S (switch) sequences

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TLS Online TPP Program

#Question id: 19501

#SCPH05 I Biotechnology

The electronic configuration of chromium (Z=24) is:
TLS Online TPP Program

#Question id: 19502

#SCPH05 I Biotechnology

According to Aufbau principle a new electron enters the orbitals when:
TLS Online TPP Program

#Question id: 19503

#SCPH05 I Biotechnology

Which of the following is not permissible
TLS Online TPP Program

#Question id: 19504

#SCPH05 I Biotechnology

The vertical columns in the periodic table are termed as ———-.
TLS Online TPP Program

#Question id: 19505

#SCPH05 I Biotechnology

The element with atomic number 26 will be found in group :
TLS Online TPP Program

#Question id: 19506

#SCPH05 I Biotechnology

The elements with atomic numbers 9, 17, 35, 53, 85 are all ———-