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TLS Online TPP Program

#Question id: 3994

Which one of the following statements about eukaryotic gene regulation is correct?

#Unit 3. Fundamental Processes

  1. Large polycistronic transcripts are common.

  2. Most regulation is positive, involving activators rather than repressors.

  3. Transcription and translation are mechanistically coupled.

  4. Transcription does not involve promoters.

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TLS Online TPP Program

#Question id: 18856

#Unit 13. Methods in Biology

A scientist constructs a recombinant bacterial plasmid that contains a gene conferring resistance to the antibiotic ampicillin (amp). The scientist transforms cultures of E. coli bacteria with the recombinant plasmid, then incubates the cultures overnight on plates containing media without ampicillin (amp-) and with ampicillin (amp+).
Assuming the transformation protocol was successful, which of the following best predicts the bacterial growth pattern expected after the incubation period?
 
TLS Online TPP Program

#Question id: 10206

#Unit 6. System Physiology – Plant

The excess energy is absorbed by three carotenoids molecules such as violaxanthin, antheraxanthin, and zeaxanthin, which of the following statements correct about these molecules?
TLS Online TPP Program

#Question id: 11878

#General Aptitude

The greatest number by which 2300 and 3500 are divided leaving the remainders of 32 and 56 respectively is
TLS Online TPP Program

#Question id: 1320

#Unit 4. Cell Communication and Cell Signaling

Junction that prevents two cell compartments from mixing is
TLS Online TPP Program

#Question id: 28384

#Unit 5. Developmental Biology

Location of the involuting marginal zone cells of amphibian gastrulation is called___