TLS Online TPP Program

#Question id: 532


In glycolysis, fructose 1,6-bisphosphate is converted to two products with a standard free-energy change (DG'°) of 23.8 kJ/mol.  Under what conditions (encountered in a normal cell) will the free-energy change (DG) be negative, enabling the reaction to proceed to the right?

#Section 4: Fundamentals of Biological Engineering
  1. If the concentrations of the two products are high relative to that of fructose 1,6-bisphosphate.

  2. The reaction will not go to the right spontaneously under any conditions because the DG'° is positive.

  3. Under standard conditions, enough energy is released to drive the reaction to the right.

  4. When there is a high concentration of fructose 1,6-bisphosphate relative to the concentration of products.

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TLS Online TPP Program

#Question id: 16074

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

Match the items in Group 1 with an appropriate description in Group 2 
Group 1                                                    Group 2 
P. PSI-BLAST                                    1. ungapped, aligned motif 
Q. CLUSTALW                                 2. Profiles
R. BLOCK                                         3. Heuristic method
S. FASTA                                           4. Multiple sequence alignment

TLS Online TPP Program

#Question id: 3344

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statements is NOT correct regarding effect of genetic drift?

TLS Online TPP Program

#Question id: 3276

#Section 3: Genetics, Cellular and Molecular Biology

Which of these conditions are always true of populations evolving due to natural selection?

Condition 1: The population must vary in traits that are heritable.

Condition 2: Some heritable traits must increase reproductive success.

Condition 3: Individuals pass on most traits that they acquire during their lifetime.

TLS Online TPP Program

#Question id: 27373

#Section 3: Genetics, Cellular and Molecular Biology

Three major domains of DICER are,

TLS Online TPP Program

#Question id: 24085

#Section 5: Bioprocess Engineering and Process Biotechnology

A reaction is first order in A. If the rate constant of the reaction is 6.00 × 10–3 s–1, what is the half-life (t1/2) of the reaction?