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TLS Online TPP Program

#Question id: 2043

Which of the following statements is TRUE of antigenic competition?

#XL - S Microbiology

  1. Antigenic competition involves competition between T-cell epitopes for the MHC groove

  2. Antigenic competition is initiated at the pre-T cell stage

  3. Antigenic competition is unrelated to the concept of dominant and subdominant epitopes

  4. Antigenic competition can only occur with cryptic epitopes

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TLS Online TPP Program

#Question id: 20148

#XL - P Chemistry

The ratio of the ionization energy of H and Be3+ is..............
TLS Online TPP Program

#Question id: 20149

#XL - P Chemistry

The maximum number of electrons in a subshell for which l=3 is
TLS Online TPP Program

#Question id: 20150

#XL - P Chemistry

The number of electrons in the M shell of the clement with atomic number 24 is
TLS Online TPP Program

#Question id: 20151

#XL - P Chemistry

Sodium chloride imparts a yellow colour to the Bunsen flame. This can be interpreted due to the
TLS Online TPP Program

#Question id: 20152

#XL - P Chemistry

The exact path of electron 2p-orbital cannot be determined.” The above statement is based
TLS Online TPP Program

#Question id: 20153

#XL - P Chemistry

The maximum number of electrons in a subshell is given by the expression