Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 44656
TLS Online TPP Program

#Question id: 4352

How does extracellular glucose inhibit transcription of the lac operon?

#SCPH06 I Botany

  1. by strengthening the binding of the repressor to the operator

  2. by weakening the binding of the repressor to the operator

  3. by inhibiting RNA polymerase from opening the strands of DNA to initiate transcription

  4. by reducing the levels of intracellular cAMP

More Questions
TLS Online TPP Program

#Question id: 821

#SCPH05 I Biotechnology

Why the thermophilic bacteria’s are not melted at the temp on which the most of the proteins have melts?
TLS Online TPP Program

#Question id: 11072

#I Life Science/ Life Sciences Group – I-V

The following diagram shows pulmonary airway resistance expressed as a function of pulmonary volume. Which relationship best describes the normal lung?
TLS Online TPP Program

#Question id: 1716

#SCPH01 Biochemistry

Expression of a CD8 α-α homodimer is characteristic of:
TLS Online TPP Program

#Question id: 1619

#SCPH05 I Biotechnology

Which of the following statements is TRUE of interferons?
TLS Online TPP Program

#Question id: 1780

#SCPH01 Biochemistry

Induces dissociation and inhibition of C1r2s2 from C1q; serine protease inhibitor