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TLS Online TPP Program

#Question id: 4041

Which of the following is true about the action of CAP at the lac promoter? 

#Unit 3. Fundamental Processes

  1. CAP binds directly to the promoter stimulating polymerase to bind.

  2. CAP-AMP blocks recruitment of polymerase to the promoter. 

  3. CAP binds to the CTD of Sigma. 

  4. Binding of the CAP-cAMP to the lac activator-binding site recruits RNA polymerase.

More Questions
TLS Online TPP Program

#Question id: 406

#Unit 1. Molecules and their Interaction Relevant to Biology

Hydrolysis of 1 M glucose 6-phosphate catalyzed by glucose 6-phosphatase is 99% complete at equilibrium (i.e., only 1% of the substrate remains). Which of the following statements is most nearly correct? (R = 8.315 J/mol·K; T = 298 K)
TLS Online TPP Program

#Question id: 27126

#Unit 4. Cell Communication and Cell Signaling

Dye injected into a plant cell might be able to enter an adjacent cell through a:
TLS Online TPP Program

#Question id: 28278

#Unit 5. Developmental Biology

 Bindin receptors present in___
TLS Online TPP Program

#Question id: 29537

#Unit 6. System Physiology – Plant

Polygalacturonases (PG) secreted by the fungal hyphae interact with plant cell by
TLS Online TPP Program

#Question id: 28319

#Unit 5. Developmental Biology

In case of mammalian fertilization slow block to polyspermy occur when enzymes released by the cortical granules modify the zona pellucida sperm receptor proteins such that they can no longer bind sperm. such enzyme is known as____