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TLS Online TPP Program

#Question id: 28383

In the case of recessive mutant of Antennapedia, the gene fails to be expressed in the second thoracic segment, then what will cause?

#Unit 5. Developmental Biology
  1. no phenotypic effect
  2. Antennapedia gene is expressed in head region only and thus promotes leg-like structure in head socket
  3. Antennapedia gene is expressed in the head as well as in thorax
  4. antennae sprout in the leg positions
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TLS Online TPP Program

#Question id: 4027

#Unit 3. Fundamental Processes

Enhancers are considered transcription-control elements that regulate the expression of eukaryotic genes. Which one of the following is true regarding these elements?
TLS Online TPP Program

#Question id: 4028

#Unit 3. Fundamental Processes

Which one of the following terms is used to describe the protein:DNA complex containing several transcription factors bound to a single enhancer?
TLS Online TPP Program

#Question id: 4029

#Unit 3. Fundamental Processes

The TATA box
TLS Online TPP Program

#Question id: 4030

#Unit 3. Fundamental Processes

All the following elements can function as eukaryotic promoters except
TLS Online TPP Program

#Question id: 4031

#Unit 3. Fundamental Processes

An experiment was designed to obtain nonspecific transcription from both strands of a DNA molecule. Which of the following strategies would be most effective in achieving this?
TLS Online TPP Program

#Question id: 4032

#Unit 3. Fundamental Processes

 Dimethyl sulfate is used to ___