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TLS Online TPP Program

#Question id: 5249

What is the best explanation for why Bernard Davis didn't observe generalized transduction in his U tube experiments?

#8. Inheritance Biology

  1. He used genes that could not be packaged into a bacteriophage head

  2. He used bacterial strains that could not fit through the filter

  3. He used bacterial strains that did not host a prophage.

  4. He used virulent bacteriophage

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TLS Online TPP Program

#Question id: 2633

#2. Cellular Organization

In trp operon leader peptide has Which one is incorrect.
TLS Online TPP Program

#Question id: 2634

#2. Cellular Organization

Tryptophan, the end-product of the enzymes encoded by the trp operon, therefore acts as a co-repressor and inhibits its own synthesis through:
TLS Online TPP Program

#Question id: 2637

#2. Cellular Organization

Which of these operons is anabolic?
TLS Online TPP Program

#Question id: 2638

#2. Cellular Organization

Which of these systems give the best mode for turning trp operon off?
TLS Online TPP Program

#Question id: 2639

#2. Cellular Organization

A Lac repressor is a tetramer repressed when bound to the inducer. The trp repressor is a ____________________
TLS Online TPP Program

#Question id: 2641

#2. Cellular Organization

Which segments of the attenuator together form the repression loop?