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TLS Online TPP Program

#Question id: 4135

In the “activation” of an amino acid for protein synthesis:

#Part-A Aptitude & General Biotechnology

  1. leucine can be attached to tRNAPhe, by the aminoacyl-tRNA synthetase specific for leucine.

  2. methionine is first formylated, then attached to a specific tRNA.

  3. the amino acid is attached to the 5' end of the tRNA through a phosphodiester bond.

  4. there is at least one specific activating enzyme and one specific tRNA for each amino acid.

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TLS Online TPP Program

#Question id: 18729

#Part-A Aptitude & General Biotechnology

Which of the following is not a function of DNA topoisomerase?
TLS Online TPP Program

#Question id: 312

#Part-A Aptitude & General Biotechnology

The type of molecules that forms the aggregate through a self-assembly process which is driven by the hydrophobic effect is _______
TLS Online TPP Program

#Question id: 5425

#Part-A Aptitude & General Biotechnology

Two varieties of maize averaging 50 and 20 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 35 inches in height. Out Of the 16 F2 plants, the 5 are 35 inches. What is the probable number of independent segregating polygenes involved in this trait?
TLS Online TPP Program

#Question id: 11452

#Part-B Specialized Branches in Biotechnology

A given photon of light may trigger an action potential with thousands of times more energy because the signal strength is amplified by ________.
TLS Online TPP Program

#Question id: 5249

#Part-A Aptitude & General Biotechnology

What is the best explanation for why Bernard Davis didn't observe generalized transduction in his U tube experiments?