Practice Questions

TLS Online TPP Program

#Question id: 410

For the reaction A -> B, the Keq' is 10^4. If a reaction mixture originally contains 1 mmol of A and no B, which one of the following must be true?

#I Life Science/ Life Sciences Group – I-V

At equilibrium, there will be far more B than A.
The rate of the reaction is very slow.
The reaction requires coupling to an exergonic reaction in order to proceed.
The reaction will proceed toward B at a very high rate.

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TLS Online TPP Program

#Question id: 4153

#SCPH28 | Zoology

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:

TLS Online TPP Program

#Question id: 13099

#SCPH28 | Zoology

You are a scientist who is using genomics to currently study a new bacterial species that no one has ever studied before. The following sequence is a piece of DNA within the coding region of a gene that you have recently sequenced.

You are using shotgun sequencing to determine the DNA sequence of the genome of this new bacterial species. For one strand of a 30-nucleotide long stretch of DNA, you get the following sequences out of your shotgun sequencing reaction.

Choose correct 30-nt-long DNA sequence with the help of above-mentioned fragments

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#Question id: 4305

#SCPH01 Biochemistry

Which of the following molecules is a protein produced by a regulatory gene?

TLS Online TPP Program

#Question id: 3617