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:

#Part-A Aptitude & General Biotechnology
  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: 18679

#Part-A Aptitude & General Biotechnology

Chiral compounds can be resolved using

TLS Online TPP Program

#Question id: 18680

#Part-A Aptitude & General Biotechnology

DNA from Salmonella species, when digested with the restriction enzyme Xba I, gives around 15 fragments ranging from 25 kb to 680 kb This pattern of fragments, or ‘fingerprint’, is unique to that strain. If the same fingerprint is found from bacteria from other infected people, then it can be assumed that they were all infected from a common source. Thus, by comparing their eating habits, food sources, etc. the source of the infection can be traced to a restaurant, food item. The fingerprints are created and analysed by

TLS Online TPP Program

#Question id: 18681

#Part-A Aptitude & General Biotechnology

Highly heterogeneous mixtures of proteins such as cell lysates or tissue extracts should be completely fractionated into individual proteins so as to obtain an overall picture of the protein composition and to enable location of individual proteins. The highest resolution is obtained 

TLS Online TPP Program

#Question id: 18682

#Part-A Aptitude & General Biotechnology

Which technique is shown in given representation

TLS Online TPP Program

#Question id: 18683

#Part-A Aptitude & General Biotechnology

Eukaryotic mRNA can be separated by using 

TLS Online TPP Program

#Question id: 18684

#Part-A Aptitude & General Biotechnology

Amplified product of PCR can be calculated by using