Which of the following enzyme has a unique ability to introduce positive and negative supercoiling of the DNA and it is the target for antibacterial agents such as ciprofloxacin/quinolones?

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#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

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#Question id: 172

#Section 2: General Biology

Which amino acid is least likely to participate in acid-base catalysis?

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#Question id: 13030

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

The mutation in Vir F will cause the interference in –

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#Question id: 15460

#Section 6: Plant, Animal and Microbial Biotechnology

During which phase of growth are bacteria most susceptible to antibiotics?

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#Question id: 18967

#Section 4: Fundamentals of Biological Engineering

If the Reactant iron is combined with Reactant Sulfur to form the product Iron sulfide, then what will be the atomic mass of the product?