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#Question id: 3891


Protein amino acid side chains can hydrogen bond in the major groove of DNA, and discriminate between each of the four possible base pairs.  In which one of the following groups of amino acids can all three members potentially be used in such DNA-protein recognition?

#SCPH06 I Botany
  1. Ala, Asn, Glu

  2. Arg, Gln, Leu

  3. Asn, Gln, Trp

  4. Asn, Glu, Lys


Answer:- Option(s): 4


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

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#Question id: 4352

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How does extracellular glucose inhibit transcription of the lac operon?

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#Question id: 4352

#SCPH06 I Botany

How does extracellular glucose inhibit transcription of the lac operon?

TLS Online TPP Program

#Question id: 4352

#SCPH28 | Zoology

How does extracellular glucose inhibit transcription of the lac operon?

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#Question id: 4353

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The cAMP receptor protein (CRP) is said to be responsible for positive regulation of the lac operon because __.

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