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TLS Online TPP Program

#Question id: 4131

Aminoacyl-tRNA synthetases (amino acid activating enzymes):

#Section 3: Genetics, Cellular and Molecular Biology

  1. “recognize” specific tRNA molecules and specific amino acids.

  2. in conjunction with another enzyme attach the amino acid to the tRNA.

  3. interact directly with free ribosomes.

  4. occur in multiple forms for each amino acid.

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TLS Online TPP Program

#Question id: 3702

#Section 3: Genetics, Cellular and Molecular Biology

For the DNA strand 5'-TACGATCATAT-3' the correct complementary DNA strand is:
TLS Online TPP Program

#Question id: 1943

#Section 2: General Biology

What is HLA-DR2 a risk factor for?
TLS Online TPP Program

#Question id: 4737

#Section 3: Genetics, Cellular and Molecular Biology

Two independent pure line varieties having white and green phenotype in their fruit were cross, the all f1 progeny is white fruit. The F2 progeny obtain from selfing show white, yellow and green in ratio of 12:3:1. Which of the following is correct?
TLS Online TPP Program

#Question id: 1893

#Section 2: General Biology

The injection of tuberculin into the skin of a sensitized individual elicits:
TLS Online TPP Program

#Question id: 5923

#General Aptitude

What day on 23/04/1990 ?