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

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#Question id: 28554

#Unit 5. Developmental Biology

In D. discoideum, A second glycoprotein secreted during starvation is called___

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#Question id: 11951

#Unit 7. System Physiology – Animal

Very early in embryonic development, testosterone is formed within the male embryo. What is the function of this hormone at this stage of development?

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#Question id: 10619

#Unit 10. Ecological Principles

Which of the following is incorrect?

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#Question id: 2636

#Unit 2. Cellular Organization

Which of the following events occur when E. coli is starved for tryptophan?

I.  The ribosome translates leader peptide completely

II. Transcription reads through attenuator into trp EDCBA

III. Tryptophanyl tRNA is not formed

IV. A stem loop structure involving regions 3 and 4 is formed at attenuator site

TLS Online TPP Program

#Question id: 27128

#Unit 7. System Physiology – Animal

TRH is a tripeptide amide