If the half life of a first order reaction in A is 2 min, how long will it take A to reach 

(a) 25 percent of its initial concentration

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#Question id: 14187

#Section 5: Bioprocess Engineering and Process Biotechnology

Aerobic degradation of an organic compound by a mixed culture of organisms in waste water can be represented by the following reaction

               

                Determine the yield coefficient YX/NH3.

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#Question id: 27355

#Section 3: Genetics, Cellular and Molecular Biology

How does the guide RNA help the cell know where to cut the DNA?

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#Question id: 15138

#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) SWISS PROT                                 (1) derived protein structure database 

(Q) Local alignment                          (2) protein sequence database

(R) CATH                                             (3) GAP

(S) Global alignment                        (4) Smith–Waterman algorithm

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#Question id: 19489

#Section 4: Fundamentals of Biological Engineering

The yield coefficient is not used in growth kinetic relationship of which of the following growth kinetics?

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#Question id: 3747

#Section 3: Genetics, Cellular and Molecular Biology

The sequence of proteins used in bacterial recombination is