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#Question id: 3657


Mutations in excision repair genes or a translesion DNA polymerase cause:

#SCPH05 I Biotechnology
  1. xeroderma pigmentosum

  2. a sun-sensitive cancer-prone disorder

  3. defective in Cockayne syndrome

  4. All of the above are correct


Answer:- Option(s): 4


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#Question id: 2668

#SCPH06 I Botany

The toxic shock syndrome toxin is produced by some Salmonella species when there is not sufficient iron present. When iron is present, it prevents transcription of the TSS-toxin gene. Iron therefore serves as __________.

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#Question id: 2669

#SCPH05 I Biotechnology

what is an operon?

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#Question id: 2669

#SCPH06 I Botany

what is an operon?

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#Question id: 2670

#SCPH05 I Biotechnology

A protein that binds to the operator and blocks the RNA polymerase

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#Question id: 2670

#SCPH06 I Botany

A protein that binds to the operator and blocks the RNA polymerase

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#Question id: 2671

#SCPH05 I Biotechnology

The "on/off" switch for an operon is called the

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