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TLS Online TPP Program

#Question id: 2661

In the histidine operon, if the codons coding for histidine were removed, which of the following would you predict would happen?

#Unit 2. Cellular Organization

  1. the attenuator would form, stopping further transcription

  2. the attenuator would not form, stopping further transcription

  3. the attenuator would form, permitting transcription to continue

  4. the attenuator would not form, permitting transcription to continue

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TLS Online TPP Program

#Question id: 30111

#Unit 1. Molecules and their Interaction Relevant to Biology

What is the source of the C-2 during the de novo biosynthesis of pyrimidines?
TLS Online TPP Program

#Question id: 26913

#Unit 10. Ecological Principles

Metabolic rate of Ectotherm and endotherm with respect to variable temp, which of the following represented graph is correct?
TLS Online TPP Program

#Question id: 11305

#Unit 2. Cellular Organization

According to the fluid mosaic model of membrane structure, proteins of the membrane are mostly
TLS Online TPP Program

#Question id: 5830

#Unit 8. Inheritance Biology

Base-pair additions and deletions are collectively referred to as ___ due to their changes in base-pair triplets.
TLS Online TPP Program

#Question id: 782

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following experimental requirements makes an siRNA approach unsuitable for determining the consequence of silencing a gene of interest in an established cell line?