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TLS Online TPP Program

#Question id: 4348

Under what conditions does the trp repressor block transcription of the trp operon?

#Unit 3. Fundamental Processes

  1. when the repressor binds to the inducer

  2. when the repressor binds to tryptophan

  3. when the repressor is not bound to tryptophan

  4. when the repressor is not bound to the operator

More Questions
TLS Online TPP Program

#Question id: 2965

#Unit 2. Cellular Organization

In a diploid cell with 5 chromosome pairs (2n = 10), how many centromeres will be found in a nucleus at G2 of the cell division cycle?
TLS Online TPP Program

#Question id: 12294

#Unit 10. Ecological Principles

A ________________ survivorship curve shows a constant rate of survivorship throughout life.
TLS Online TPP Program

#Question id: 10271

#Unit 8. Inheritance Biology

In cats, black coat color is dominant over gray. A female black cat whose mother is gray mates with a black male whose father is gray . If this female has a litter of 5 kittens, what is the probability that three will be black?
TLS Online TPP Program

#Question id: 28805

#Unit 2. Cellular Organization

Which of the following NPF, has been implicated in the Arp2/3-dependent nucleation of actin filament on endosomes ?
TLS Online TPP Program

#Question id: 2787

#Unit 2. Cellular Organization

All the following statements are true about a nucleosome except: