TLS Online TPP Program

#Question id: 4132


In E. coli, aminoacyl-tRNA synthetases:

#SCPH28 | Zoology
  1. activate amino acids in 12 steps

  2. are amino acid–specific; there is at least one enzyme specific for each amino acid.

  3. fall into two classes, each of which attaches amino acids to different ends of the tRNA.

  4. have no proofreading activities.

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TLS Online TPP Program

#Question id: 3687

#SCPH05 I Biotechnology

As the two strands of the double helix are separated, the positive supercoiling interferes with the further unwinding of DNA. Which of the following enzyme makes a break in a strand of DNA to release the supercoiling and facilitate the replication to occur?

TLS Online TPP Program

#Question id: 3687

#SCPH06 I Botany

As the two strands of the double helix are separated, the positive supercoiling interferes with the further unwinding of DNA. Which of the following enzyme makes a break in a strand of DNA to release the supercoiling and facilitate the replication to occur?

TLS Online TPP Program

#Question id: 3687

#SCPH28 | Zoology

As the two strands of the double helix are separated, the positive supercoiling interferes with the further unwinding of DNA. Which of the following enzyme makes a break in a strand of DNA to release the supercoiling and facilitate the replication to occur?

TLS Online TPP Program

#Question id: 3688

#SCPH01 Biochemistry

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?

TLS Online TPP Program

#Question id: 3688

#SCPH05 I Biotechnology

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?

TLS Online TPP Program

#Question id: 3688

#SCPH06 I Botany

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?