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#Question id: 4348


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

#SCPH01 Biochemistry
  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

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TLS Online TPP Program

#Question id: 4573

#SCPH06 I Botany

Which of the following pieces of evidence most strongly supports the common origin of all life on Earth?

TLS Online TPP Program

#Question id: 4573

#SCPH28 | Zoology

Which of the following pieces of evidence most strongly supports the common origin of all life on Earth?

TLS Online TPP Program

#Question id: 4574

#I Life Science/ Life Sciences Group – I-V

Ichthyosaurs were aquatic dinosaurs. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are

TLS Online TPP Program

#Question id: 4574

#SCPH05 I Biotechnology

Ichthyosaurs were aquatic dinosaurs. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are

TLS Online TPP Program

#Question id: 4574

#SCPH06 I Botany

Ichthyosaurs were aquatic dinosaurs. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are

TLS Online TPP Program

#Question id: 4574

#SCPH28 | Zoology

Ichthyosaurs were aquatic dinosaurs. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are