TLS Online TPP Program

#Question id: 4133


Which of the following statements about aminoacyl-tRNA synthetases is false?

#Part-A Aptitude & General Biotechnology
  1. Some of the enzymes have an editing/proofreading capability.

  2. The enzyme attaches an amino acid to the 3' end of a tRNA.

  3. The enzyme splits ATP to AMP + PPi.

  4. The enzyme will use any tRNA species, but is highly specific for a given amino acid.

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TLS Online TPP Program

#Question id: 18938

#Part-A Aptitude & General Biotechnology

If the sequence of at least the end portions of a DNA segment of interest is known, the number of copies of that DNA segment can be hugely amplified with the 

TLS Online TPP Program

#Question id: 18939

#Part-A Aptitude & General Biotechnology

If a DNA sequence is present in higher than usual amounts in a sample can be analysed using pcr

TLS Online TPP Program

#Question id: 18940

#Part-A Aptitude & General Biotechnology

which of the following permits the amplification of chosen segments of DNA or RNA for detailed study or cloning.

TLS Online TPP Program

#Question id: 18940

#Part-A Aptitude & General Biotechnology

which of the following permits the amplification of chosen segments of DNA or RNA for detailed study or cloning.

TLS Online TPP Program

#Question id: 18941

#Part-A Aptitude & General Biotechnology

With the construction of cDNA libraries in which each gene is fused to an epitope tag, investigators can precipitate the protein product of a gene by complexing it with the antibody that binds the epitope, a process called 

TLS Online TPP Program

#Question id: 18942

#Part-A Aptitude & General Biotechnology

Bacterial artificial chromosomes (BACs), cosmids, phages, plasmids and yeast artificial chromosomes (YACs) are all commonly used cloning vectors that differ in their cloning capacities, with a range from approximately 100 bp to 1000 kb. Which of the following is the increasing cloning capacity?