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TLS Online TPP Program

#Question id: 1704

The single best unique description of the interaction of the αβ T-cell receptor with peptide-MHC is that it:

#Section 2: General Biology

  1. Involves non-covalent forces

  2. Results in T-cell activation

  3. Requires the peptide to be presented by MHC class I

  4. Involves CDR (complementarity-determining region) binding to both peptide and MHC

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TLS Online TPP Program

#Question id: 9585

#Section 2: General Biology

In light reaction the reaction centre of PSII  receives electron from water molecules by splitting into oxygen, If 5 oxygen molecules evolved per 50 quanta was

absorbed then what is the quantum yield?
TLS Online TPP Program

#Question id: 15857

#Section 6: Plant, Animal and Microbial Biotechnology

The ability of a plant cell to perform all the functions of development is called__
TLS Online TPP Program

#Question id: 627

#Section 2: General Biology

Which of the following is correct ‘Dixon Plot’ for competitive inhibition for enzymes 
TLS Online TPP Program

#Question id: 112

#Section 2: General Biology

The major groups of lipids can be separated by silicic acid column chromatography by eluting with
TLS Online TPP Program

#Question id: 14250

#Section 5: Bioprocess Engineering and Process Biotechnology

A stirred-tank reactor is to be scaled down from 10 m3 to 0.1 m3. The dimensions of the large tank are: Dt = 2 m; Di = 0.5 m; N = 100 rpm. What would be the required rotational speed of the impeller in the small tank if impeller Re number is constant?
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