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TLS Online TPP Program

#Question id: 31877

For phylogenetic analysis, which of the following is correct?

#Unit 11. Bioinformatics
  1. BLAST alignments are necessary for performing phylogenetic analysis
  2. The multiple sequence alignments should ideally be trimmed to edit out the non aligning regions before phylogenetic analysis
  3. Phylogenetic analysis is not effective for highly similar protein sequences
  4. Phylogenetic analysis can only be done for proteins from organisms within the same phyla 
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TLS Online TPP Program

#Question id: 2640

#Unit 2. Cellular Organization

Which of these properties do not agree with trp operon attenuator?
TLS Online TPP Program

#Question id: 2641

#Unit 2. Cellular Organization

Which segments of the attenuator together form the repression loop?
TLS Online TPP Program

#Question id: 2642

#Unit 2. Cellular Organization

We know that lactose has a positive impact on the activity of the lac operon. Tryptophan’s presence has a ________________
TLS Online TPP Program

#Question id: 2643

#Unit 2. Cellular Organization

 If in an experiment you mutate the two trp codons in the attenuator to ala codon what will be the impact on repression?
TLS Online TPP Program

#Question id: 2644

#Unit 2. Cellular Organization

Which of these items have a positive impact on PEDCBA transcription?
TLS Online TPP Program

#Question id: 2645

#Unit 2. Cellular Organization

When uncharged tRNA concentration is low what will you expect as the activity of tryptophan operon?