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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: 14480

#SCPH28 | Zoology

Probability than a leap year selected at random will have 53 Sundays.
TLS Online TPP Program

#Question id: 5242

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

Auxotrohic bacteria plating on different medium, it is observed that colonies grow on minimal plus threonine only, no colony on minimal plus leucine and no colonies grow on minimal medium cystein only. What are the actual genotypes of auxotroph?
TLS Online TPP Program

#Question id: 19336

#SCPH28 | Zoology

Which one of the following biosensors is used for therapeutic applications?
TLS Online TPP Program

#Question id: 14829

#SCPH05 I Biotechnology

A new drug is developed that inhibits formation of the flagellar filament by impairing production of the protein flagellin. Is this going to be a good drug?
TLS Online TPP Program

#Question id: 14500

#SCPH28 | Zoology

A fair die is tossed 180 times. The expected number of sixes is