TLS Online TPP Program

#Question id: 4153


Ubiquitin-mediated protein degradation is a complex process, and many of the signals remain unknown.  One known signal involves recognition of amino acids in a processed protein that are either stabilizing (Ala, Gly, Met, Ser, etc.) or destabilizing (Arg, Asp, Leu, Lys, Phe, etc.), and are located at:

#Section 3: Genetics, Cellular and Molecular Biology
  1. a helix-turn-helix motif in the protein.

  2. a lysine-containing target sequence in the protein.

  3. a zinc finger structure in the protein.

  4. the amino-terminus of the protein.

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TLS Online TPP Program

#Question id: 15697

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following does not describe PAM matrices?

TLS Online TPP Program

#Question id: 15698

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following does not describe global alignment algorithm?

TLS Online TPP Program

#Question id: 15699

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

The PROSITE pattern representing the conserved sequence motif for a new family of AMP binding protein is [LIVMFY]-X(2)-[STG]-[STAG]-G-[ST]. You are given a sequence of a 15-amino acid stretch starting from the first residue of the motif. Which one of the following proteins is likely to have AMP binding function?

TLS Online TPP Program

#Question id: 15700

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

In a sequence database of a given size, which of the following expressions is likely to retrieve more matches (X means any amino acid; any of the residues in square brackets can occupy that position)?

TLS Online TPP Program

#Question id: 15701

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

In a sequence logo of the type given below, the sizes of the letters are proportional to the:

TLS Online TPP Program

#Question id: 15702

#Section 6: Plant, Animal and Microbial Biotechnology

Following are few sterilization techniques and materials used in plant tissue culture. Identify the correct combinations.