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TLS Online TPP Program

#Question id: 3878

Which of the following statements about the synthesis of rRNA and tRNA in E. coli is true?

#Section 3: Genetics, Cellular and Molecular Biology

  1. Both rRNA and some tRNAs are part of the same primary transcript.

  2. Each rRNA sequence (16S, 23S, 5S) is transcribed into a separate primary transcript.

  3. Primary tRNA transcripts undergo methylation, but rRNA sequences are not methylated.

  4. The tRNA sequences all lie at the 3’end of the rRNA transcripts

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TLS Online TPP Program

#Question id: 1651

#Section 2: General Biology

Ig idiotypes are found:
TLS Online TPP Program

#Question id: 15874

#Section 6: Plant, Animal and Microbial Biotechnology

Callus culture show numerical chromosomal changes such as;
TLS Online TPP Program

#Question id: 15465

#Section 4: Fundamentals of Biological Engineering

50 g benzaldehyde vapour is condensed at 179°C. What is the enthalpy of the liquid relative to the vapour?  (Standard latent heat for vaporisation for benzaldehyde is 38.40 kJ gmol-1)
TLS Online TPP Program

#Question id: 3296

#Section 3: Genetics, Cellular and Molecular Biology

Some beetles and flies have antler-like structures on their heads, much like male deer. The existence of antlers in beetle, fly, and deer species with strong male-male competition is an example of
TLS Online TPP Program

#Question id: 3329

#Section 3: Genetics, Cellular and Molecular Biology

The following genotypes of one locus in population are given  - Genotype ( Number)

AA (120)  AB ( 30)  BB  (50) CC  (300)

AC  (400)  BC (100)

Which of the following is the correct frequency of C allele and A allele respectively?